Curt Cargo Bag for Roof Basket - Waterproof - 21 Cu Ft

Curt Cargo Bag for Roof Basket - Waterproof - 21 Cu Ft

Item # C18221

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Roof Bag

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Shipping Weight: 8 lbs

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Roof Bag C18221 - Roof Basket Mount - Curt
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Customer Photos

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59x34x18. Store gear on your vehicle's roof with this waterproof cargo bag. Designed to fit inside roof-mounted baskets that measure at least 59" long x 34" wide. Heavy-duty vinyl fabric, welded seams, and a zipper flap keep gear dry. Lowest Prices for the best roof bag from Curt. Curt Cargo Bag for Roof Basket - Waterproof - 21 Cu Ft part number C18221 can be ordered online at etrailer.com or call 800-298-8924 for expert service.
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  • Reviews (15)
  • Q & A (12)
  • Videos (1)
  • Photos
  • Why etrailer?

Curt Roof Bag - C18221

  • Roof Basket Mount
  • Curt
  • Extra Large Capacity
  • Waterproof Material
  • Extra Long Length
  • Black

59x34x18. Store gear on your vehicle's roof with this waterproof cargo bag. Designed to fit inside roof-mounted baskets that measure at least 59" long x 34" wide. Heavy-duty vinyl fabric, welded seams, and a zipper flap keep gear dry.


Features:

  • Waterproof, soft-sided cargo bag holds up to 21 cu ft of gear on your vehicle's roof basket
    • Designed to fit Curt roof-mounted cargo basket with extension (C18115-117 - sold separately)
  • Heavy-duty vinyl fabric protects your items
    • Keeps water, dirt, and debris out
    • Resists tears and punctures
    • Blocks UV rays to protect bag and contents from sun damage and fading
  • Welded seams help prevent water leakage
  • Flap keeps dirt and moisture from seeping in through the zipper
    • Secures with hook-and-loop closures (similar to Velcro)
  • Bag unzips around the front and side for easy access
  • 6 UV-resistant straps tie bag to cargo basket for a secure fit
    • Durable, woven polypropylene fabric
    • Plastic buckles let you tighten the straps to eliminate slack
    • Built-in strap keepers secure loose ends to prevent them from flapping in the wind
  • Bag folds up when it's not in use
  • Black color


Specs:

  • Application: roof-mounted cargo baskets at least 59" long x 34" wide
  • Storage capacity: 21 cu ft
  • Dimensions: 59" long x 34" wide x 18" tall
  • Strap dimensions: 8-7/8' long x 1" wide
  • Weight: 9.6 lbs
  • 1-Year limited warranty


Waterproof Roof-Mounted Storage Bag

Curt Roof Mounted Bag

This waterproof bag fits perfectly inside your Curt roof-mounted cargo basket (C18115-117 - sold separately) or within most other roof-mounted cargo baskets that can accomodate the bag's dimensions. This durable bag holds your gear on your roof, leaving more passenger room and trunk space. It is made of a heavy-duty material with welded seams and zipper flaps to keep your cargo dry. It opens on the front and side for easy loading with zipper pulls that can accommodate a padlock for added security.


Curt Waterproof bag

The Curt cargo bag is constructed of a thick, UV-resistant vinyl that is designed to keep your gear clean and dry. Welded seams keep water from seeping into the bag.


Curt Rain Flap

As an additional measure of protection for your gear, a vinyl flap covers the zipper and secures with hook-and-loop fasteners (similar to Velcro) to keep moisture out. When rain or snow hits, you can continue on your journey, knowing your cargo is safe and dry.


Simple Mounting on Roof Cargo Basket

This bag is designed to be used with a rooftop cargo basket. Position the bag in your basket, and load the bag with cargo from the back and sides. Then zip up the bag and secure the zipper flap.


Curt Bag Integrated Straps

Adjust the integrated polypropylene straps on the bag to the length needed. Then wrap each strap end around the crossbars and side rails of your roof cargo basket so that the bag is secured. Tighten the straps with the sturdy plastic buckles.


Curt Roof Bag Folds Up

When you are not using the bag, just remove it from your roof and fold it up until your next trip.


Lockable Zippers Secure Gear

The zipper pulls have holes through which you can insert a padlock (sold separately) to guard against theft.



18221 Curt Cargo Carrier Bag - Roof Mount - Waterproof - 21 cu ft - 59" Long x 34" Wide x 18" Tall







Video of Curt Cargo Bag for Roof Basket - Waterproof - 21 Cu Ft


Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Curt Roof Basket Cargo Bag Review

Today we'll be looking at and showing you how to install the Curt cargo bag for roof baskets. Part number C18221. The Curt cargo bag is a perfect solution for carrying your gear outside of your vehicle, freeing up space on the inside. It's also going to protect your gear. It's great for any gear from camping gear, sporting equipment, or luggage. Our cargo bag is going to unzip at the front, side, and to the back for easy access when loading and unloading our gear. This roof bag with work with any cargo basket that measures at least, 59 inches long by 34 inches wide like our Curt cargo basket with extension.

The Curt bag is made out of a heavy duty vinyl fabric that will resist tears and punctures, and also block UV rays protecting your gear. The welded seams are going to prevent any leakage into our bag. And the flap with a hook and loop is going to help keep any dirt or moisture out of our zipper. Thick straps help secure our bag to our cargo basket. And the strap keepers at the top, make sure we have a nice secure fit. The Curt cargo bag can easily be folded up when not in use, for compact storage. The Curt cargo bag is going to measure at 59 inches long by 34 inches wide, by 18 inches tall.

And the straps are going to measure, eight and 7/8 feet long, by one inch wide. Has 21 cubic feet of storage space, and doesn't have a weight capacity. You just want to double check your vehicles owners manual to make sure your roof can withstand the maximum weight of the carrier, all your cargo, and a roof rack. Now that we've gone over some features, we're gonna show you how to get this installed. Now we found it easier to load up our bag, then install it onto our basket. We're going to get an extra set of hands to help us with this.

We'll place our bag into the center of our basket, and we're ready to tie it down. We're going to take one of our straps with the two buckles all the way up through the top loop here at the corner. Now we have each of our buckles at two different points on our basket. We're going to take our strap attached to the one end, feed that through, we can tighten that up. The same thing here at the other buckle. Feed our strap through. Now we'll tie up our excess from each strap.

Now we're ready to repeat the same process for our other straps. And that's going to be our completed look at the Curt cargo bag for roof baskets. Part number C18221.


Customer Reviews

Curt Cargo Bag for Roof Basket - Waterproof - 21 Cu Ft - C18221

Average Customer Rating:  4.8 out of 5 stars   (15 Customer Reviews)

59x34x18. Store gear on your vehicle's roof with this waterproof cargo bag. Designed to fit inside roof-mounted baskets that measure at least 59" long x 34" wide. Heavy-duty vinyl fabric, welded seams, and a zipper flap keep gear dry.

- C18221
by:

Speed of delivery was excellent. Have not tried on van as of yet but I am sure it will work fine as I looked at one in the store. 493822



- C18221
by:

I've used this 4 or 5 times for longer road trips (7+ hrs) and it's worked great. Has rained, snowed and been sunny and it's still holding up. 454257



- C18221
by:

I received the product the day before it was due and great condition! Removed from the box placed it in the roof basket and fits like a glove, outstanding quality as always. Highly recommend this product if you're looking to protect your gear from the elements when traveling. 501336



- C18221
by:

Heavy duty! Quality product! 560513



- C18221
by:

Just as advertised sturdy and well made it would have got 5 stars but I am not a fan of plastic latches on the straps I use ratchet straps with the bag along with the ones that came with and never had a problem other seem to take the stress off the regular ones and move has broke tet 403107



- C18221
by:

Perfect product for family trips .. very big holds alot and very strong and durable, get the matching sets they are waterproof and very strong .. s Zippers and seams are well done in no way flimsy or cheap strongly recommend this product and others from this maker 494524



- C18221
by:

Extremely satisfied with this product. Curt was the only brand that promoted “waterproof”, not just that but it was the exact size that was needed. Just finished a 2000+ mile trip to Michigan’s UP. We went through a few “toad stranglers” w/o a drop of moisture within the cargo bag. The bag is made of quality coated fabric. The zippers & seams are heavy duty & withstood the high demand of accessing cargo while on the road. Cannot comment on the tie down straps that came w/ the bag b/c we did not use them, using ratchet straps was a little more familiar to secure the bag to our roof basket. Over all a 5 star product. Would purchase again in a heart beat. 547534



- C18221
by:

Great product. Fairly waterproof. Large, held a lot of luggage. Tie down straps were well placed and strong. Fit perfectly in my roof rack. 512229



- C18221
by:

HAVEN'T PUT THEM TO THE TORTURE TEST YET, BUT VERY HIGH QUALITY DESIGN. LOVE THE SIZE OF THESE. CAN PUT 3 FRONT RUNNER WOLF PACKS WITH HIGH DOMES INSIDE EACH OF THESE AND PUT TWO CARGO BAGS ON TOP OF MY SAFARI RACK....SWEET!!! GREAT PRICING TOO. WILL LET YOU KNOW HOW EVERYTHING PERFORMS SHORTLY. LIVE IN FLORIDA SO NOT A QUESTION OF IF WE GET RAIN,SO MUCH AS WHEN WE GET RAIN. CERTAINLY IMPRESSED SO FAR. 580225



- C18221
by:

These are very challenging to work with when it comes to mounting them to vehicle roof rails and adjusting length of bar to it's equal on both sides. Once they're finally installed they look steong and astethetically appealing. Haven't tested them out with Curt roof rack yet 366297



- C18221
by:

After 1 year and many many trips in the back of my F250, this product has held up through rain, snow and highway driving wind. It sat in the back of my truck for 11 days after a 30" snowfall and when I opened it, the contents were cold but not wet. 614491



- C18221
by:

I like it and it is what I wanted. Very durable. I plan to use it soon on my trip. 611548



- C18221
by:

Great quality! 605066



- C18221
by:

Use this in the back of my pickup. It fits right across the back. Lots of extra waterproof storage. 549318



- C18221
by:

Great product great communication product just as describ.ed super fast shipping 524132


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Ask the Experts about this Curt Roof Bag

Do you have a question about this Roof Bag?


  • Can Curt Cargo Bag # C18211 be Installed on the Roof of a Vehicle
  • The Curt Cargo Bag # C18211 that you referenced was designed for use on a cargo carrier but there really isn't any problem with you using it on your roof if you would like. I would just make sure that the dimensions 56" long x 22" wide x 21" tall will fit properly on your roof. The main difference between a cargo bag meant for a cargo carrier and one designed for a roof more or less has to do with the position of the straps. If you notice the Curt Roof Bag # C18221 has a few extra straps...
    view full answer...

  • Roof Rack With Cargo basket And Bag For 2018 Nissan Pathfinder
  • Yes, The Curt Roof Mounted Cargo Basket part # C18115-117 will certainly fit your 2018 Nissan Pathfinder if it has a factory or aftermarket roof rack installed with cross bars that are not over 3" wide x 1-5/8" tall. If you let me know what type of roof rack you have, I can tell you for sure if the basket will fit. If you do not have a roof rack and have raised side rails that run front to back from the factory, I recommend Thule WingBar Evo Crossbars part # TH711420 and feet part #...
    view full answer...

  • Cargo Bag and Cargo Net Recommendations for Thule Trail XT Roof Cargo Basket
  • The Thule Trail XT Roof Cargo Basket # TH865XT has external dimensions of 63" long x 39-1/2" wide x 7" tall and a cargo net that will fit and work great is the Thule Cargo Net with Storage Bag # TH692 which measures 40" x 36" but will stretch out to cover the Trail XT cargo basket. In regards to the Curt Cargo Bag for Roof Basket # C18221, it is 59" long x 34" wide so it wouldn't be the best fit for the Trail XT which has inside dimensions of 54-1/4" long x 37" wide. Instead, for...
    view full answer...

  • Will Curt Roof Cargo Basket # C18115-117 Fit Factory Crossbars on 2002 Chevy Blazer
  • The Curt Roof Mounted Cargo Basket # C18115-117 referenced in your question works with crossbar spreads of 15 inches, 22 inches, and 29 inches. The crossbar spread refers to the distance between the two crossbars on your roof, from center to center. Looking at the picture you attached, it appears that the crossbars can be moved along the length of the side rails to create larger or smaller crossbar spreads. If this is the case, then you should have no problem getting them to the needed...
    view full answer...

  • Which Cargo Bag Will Fit Yakima LoadWarrior with Extension Best
  • The best fitting cargo bag for the Yakima Loadwarrior with extension part # Y07070-74 is going to be the Curt cargo bag part # C18221 which measures 59" long x 34" wide x 18" tall. This bag is just a few inches smaller than the internal dimensions of the basket so it would fit well.
    view full answer...

  • 2015 Pro4X Xterra Compatibility With Rooftop Cargo Bag Without Basket
  • The Curt Cargo Bag for Roof Basket - Waterproof - 21 Cu Ft # C18221 although designed to be used with the Cargo Basket can be used with your factory rack on your Xterra. Since the bag will be sitting directly on the roof and secured to the side rails, I recommend the Non-Skid Roof Protection Pad for Rightline Rooftop Cargo Bags # RL100650. This will help protect your naked roof from scratches and will also utilize a textured surface to keep the cargo bag from sliding around when you brake...
    view full answer...

  • Will the Curt Cargo Bag # C18221 Fit on 2003 Dodge Durango without Roof Mounted Cargo Basket
  • I do have a solution for you, however the Curt Cargo Bag # C18221 is designed for use with a roof mounted cargo basket for secure and safe carrying. If you like this Cargo Bag, you can use it along with the Curt Roof Mounted Cargo Basket, part # C18115-117 which would be attached to your vehicle's roof rack. For a large roof bag that does not require a basket, I recommend the Rightline Sport 3XL Rooftop Cargo Bag, part # RL100S30. This bag offers 18 cu ft of space and its versatile...
    view full answer...

  • Can Curt Cargo Bag for Roor Racks Be Used in Truck Bed
  • The Curt Cargo Bag # C18221 is designed to be used on roof racks but there's no reason you can't have it in the bed of your Toyota Tacoma. I don't know if the straps will be able to reach any tie-downs in the bed but you can use some additional straps, like # EM08200, to make it work.
    view full answer...

  • Cargo Bag Recommendation for Fitting Between Truck Cab and Fifth Wheel Hitch
  • You would want to go with a narrower bag like the Curt part # C18211 as it is 22 inches wide and would fit better between the cab of your truck and the fifth wheel hitch.
    view full answer...

  • How to Carry Cargo on the Roof of a 2008 Honda Pilot Without Crossbars
  • Yes, for a cargo basket that will attach to the to the factory raised side rails on your 2008 Honda Pilot and will not require crossbars you are going to want to use the Surco Safari Rack 5.0 Rooftop Cargo Basket part # SPS4560-1101 with the Clamp-On Adapters part # SP1101. This is the only cargo basket we have for this purpose that will work with your vehicle. Then in order to keep your gear dry you can attach the Curt Cargo Bag for Roof Basket part # C18221 inside of the basket which...
    view full answer...

  • Recommended Roof Basket for 1-1/2 Inch Tall Crossbars on GMC Savana Van
  • The Rola Roof Mounted Cargo Basket # 59504 referenced in your question is compatible with crossbars that are up to 1-1/4 inches tall, as you mentioned. There is not an adapter available that will allow it to easily fit the 1-1/2 inch tall crossbars on your Savana Van. I instead recommend taking a look at a similarly priced basket like the Curt Roof Mounted Cargo Basket # C18115-117. This basket is a bit longer than the Rola model at 62-1/2 inches, but it is compatible with crossbars...
    view full answer...

  • Can Curt Cargo Bag for Roof Basket # C18221 Be Used on 2015 Chevy Tahoe LT
  • The Curt Cargo Bag for Roof Basket # C18221 is designed to fit the Curt cargo basket # C18115-117 which you could install on your 2015 Chevy Tahoe if you had a roof rack installed as well. For example the Inno Square Crossbars roof rack part numbers # INB137, # INXP, and # INTR154 is a fit for your Tahoe and is compatible with the # C18115-117. So with this rack and the basket you could use the cargo bag # C18221.
    view full answer...


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Info for this part was:

Video Edited:
Zack K
Video by:
Andrew K
Video by:
Jonathan Y
Edited by:
Lindsey S
Expert Research:
Jameson C
Written by:
Chelsea B
Test Fit:
Savanna B
Updated by:
Isabelle B

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