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Sales & Service Hours

Customer Service

  • Monday to Friday: 7am - 6pm CST
  • Saturday: 8am - 6pm CST
  • Sunday: Closed


  • Monday to Friday: 7am - 6pm CST
  • Saturday: Closed
  • Sunday: Closed


  • Monday to Friday: 7am - 10pm CST
  • Saturday: 8am - 8pm CST
  • Sunday: 8am - 10pm CST

UnderCover Ultra Flex Tonneau Cover

Product Information
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under Tonneau Covers


  • Low profile design
  • Folds up to bulk head for full bed access
  • Constructed out of aircraft grade aluminum
  • UV protected matte black finish
  • Cover is locked when tailgate is locked
  • Can open and close the tailgate without opening the cover
  • Under panel is finished with a Bed Rug carpet
  • Comes with one pair of LED under-rail bed lights
  • Includes one Saddlebag storage bag that hooks onto your bed rail
  • Made in the USA - Rogersville, MO


It's time to secure your truck bed cargo with UnderCover Ultra Flex tonneau cover. There is no other hard cover as versatile, functional, luxurious, and that will your truck look amazing.

This hard folding bed cover is constructed out of aircraft grade aluminum with a matte black finish. The Ultra has aluminum side rails that clamp onto the rails of your truck bed, to give a low profile appearance and still allowing you to use your stake pocket holes. UnderCover gave this cover a little bit more class then the rest by adding BedRug carpet to the underside of the panels. They didn't just stop there, they also added dual LED bed rail lights and a Saddle bag that hooks on to the covers rails for extra storage.

Installing your UnderCover Ultra Flex tonneau cover is one of the easiest things you could possibly install to your truck. All you need is a 9/16" wrench and a little bit of your time.

So if you want a truck bed cover that give you luxury and protection. Then the UnderCover Ultra Flex tonneau cover is for you. What are you waiting for? Get yours ordered today!

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Installing the Ultra Flex from UnderCover is super simple to do right at home.  Your cover is designed to mount using common tools without drilling or cutting. If you have any questions on installing the Flex please give us a call at 877-216-5446.


5 Year Warranty

UnderCover Ultra Flex truck bed covers are backed by a 5 year warranty against defects. If you have any questions please give our amazing customer service a call. 


Watch This VideoUnderCover Ultra Flex Truck Bed Solution - Folding Hard Cover, Storage Box, and Lighting System