Folding Tonneau Cover For 2019 GM Silverado Sierra 1500 5'8" Bed

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The Folding Tonneau Cover is a hard folding truck bed cover that gives you the ultimate control of your truck bed, offering three secure riding positions. The cover is easy to install and remove with our easy clamp-on design, and is mounted flush with your trucks bed rails making it the most watertight hard folding cover on the market. The Flex is constructed with heavy-duty aluminum panels providing strength and durability.


Each product has a bed rail mounting system equipped with rubber seals and drain tubes that carry water away from and out of the bed, keeping your gear dry and secure. The Flex is backed by a 3-year warranty making it America's favorite hard folding tonneau cover.



  • Before purchase please verify if you have New Body Style or Legacy (Chevy)/Limited (GMC) on 2019 Silverado/Sierra 1500 ? This part is for the New Body Style
  • Fits 5'8" Beds
  • Fits New Body Vehicles


  • Low-Profile Design w/ an UV Protective Black Finish
  • Aluminum Top Skin Panel
  • Three Secure Driving Positions, with 100% Bed Access
  • Dual Action Tailgate Seal for Easy Operation
  • Made in the USA
  • The UnderCover Flex carries a 3-year warranty.

Folding Tonneau Cover For 2019 GM Silverado Sierra 1500 5'8" Bed
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