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Ships within 48 hours · Estimated delivery Jul 19 - Jul 24
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Description
Undercover FX21021 Tonneau Cover Flex 17-24 F250/350 6'10"Introducing the next generation of folding covers the UnderCover Flex folding cover. Flex combines the best of both worlds, the security of a hard locking cover and convenience of a soft roll up cover. Constructed from the best materials available, Flex will withstand the abuse Mother Nature throws at it and keep coming back for more. Low Profile Ultra low profile design rests inside the bed rails allowing for a very sleek look. Full Access Built in
Introducing the next generation of folding covers -- the UnderCover Flex folding cover. Flex combines the best of both worlds, the security of a hard locking cover and convenience of a soft roll up cover. Constructed from the best materials available, Flex will withstand the abuse Mother Nature throws at it and keep coming back for more. Low Profile -- Ultra-low profile design rests inside the bed rails allowing for a very sleek look. Full Access -- Built in prop rods secure the cover allowing your truck to be driven with the cover fully open. Easy Removal -- Entire cover can be removed in seconds with no tools needed. Secure Design -- Plastic buckles and straps are included to secure the panels in the partially open position. FRP Composite Panels -- Lighter, stronger and higher dent resistance than aluminum. Weather Resistant -- Rubber seals and drain tubes channel water away from and out of the bed. Easy Clamp-on design. No other folding cover can match the Flex for versatility, security and function. Covered or uncovered, always an option with UnderCover.- Ultra Low Profile Design
- Allows For Full Access To Your Bed
- Built In Prop Rods Secure The Cover
- Plastic Buckles And Straps Included
- Rubber Seals And Drain Tubes Channel Water Away
- Easy Clamp-on design and 3 Year Warranty
Additional Attributes:
- GTIN: 816391020417
- Low Profile: Yes
- Finish: Textured Black
- Style: Hard Folding Cover
- Sits on Truck Rails: Yes
- Rails To Install: Yes
- Paintable: No
- Material: Aluminum
- Key Lockable: No
- Install Time: 15 Minutes
- Front Opening: Yes
- Color: Black
- Actual Color: Black
- Works w/Toolbox: No
- Full Bed Access: Yes
Packaging:
- Quantity of Each: 1
- Package UOM: EA
- Dimension: 32.000 x 82.000 x 8.000 inches
PDF:
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 5
Best blanket ever!
Color: Onyx / Camel on Ivory (Double-sided Faux Fur Bubble), Size: Throw (50" x 60"), Color: Onyx / Camel on Ivory (Double-sided Faux Fur Bubble), Size: Throw (50" x 60")
This is so soft. I just want to keep petting it. I love that one side has different colors. I am blown away at how good this feels agains my skin. It even feels good over my lap when I have pants on. I would highly recommend this blanket. I will probably be showing all of my friends. I just hope it keeps its softness and is a good quality. If anything changes I will update.
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Reviewed in the United States on April 23, 2026
★★★★★ 5
My mom loves it
Color: Onyx / Camel on Ivory (Double-sided Faux Fur Bubble), Size: Twin (60" x 80")
This was a Mother’s Day gift for my mom. She absolutely loved it! It’s double sided, which is hard to find on Amazon. It’s super soft, and not too heavy! The quality feels like something that is high end too!
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Reviewed in the United States on May 11, 2026
★★★★★ 3
FAUX RABBIT FUR THROW
Color: Brown (Faux Fur Bubble + Flannel), Size: Throw (50" x 60"), Color: Brown (Faux Fur Bubble + Flannel), Size: Throw (50" x 60")
This throw has a soft feel to it, like you’re holding a Bunny. It’s beautiful and has a nice backing on it. I have to say I do not find it a good value for the money thinking about long term use goes. Perhaps a small child might use it as a form of comfort. I probably wouldn’t buy it again.
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Reviewed in the United States on March 22, 2026
★★★★★ 5
You can’t tell the difference between this blanket and my Pottery Barn ones.
Color: Cream White
I absolutely love this blanket! It is incredibly soft and plush—honestly one of the coziest blankets I’ve owned. The thickness makes it feel high quality, and it keeps me warm without feeling too heavy.
The cream color is beautiful and neutral, which goes perfectly with my home decor. It looks just as good in person as it does in the photos. I also love that it has that luxe, fluffy look that makes any space feel more cozy and elevated.
I actually own blankets from Pottery Barn, and I truly cannot tell the difference in quality or feel. This one gives that same high-end, luxurious vibe for a fraction of the price.
I’ve used it on the couch and for relaxing at night, and it’s quickly become my go-to blanket. So far, I haven’t had any issues with shedding, and it seems very well made.
I now know exactly what I’ll be getting everyone for Christmas—this is such a perfect gift!
Definitely worth the purchase—would 100% buy again!
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Reviewed in the United States on April 25, 2026
★★★★★ 5
High-end quality
Color: Cream White
I’m obsessed with this blanket. It’s insanely soft and cozy without feeling too heavy. The cream color is even prettier in person and looks so clean and elevated. It’s perfect for lounging or just throwing over a bed or chair for decor.
I’m so happy with this purchase, definitely worth it!
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Reviewed in the United States on April 16, 2026
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