The UnderCover Flex 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 Flex 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.
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
UnderCover Flex FX11023 Hard Folding Truck Bed Tonneau Cover Chevrolet Silverado/GMC Sierra 1500 19-21 6'7" - Features
6.6 Ft. (79.4 In.)
Without CarbonPro Bed
W/o MultiPro Tailgate, With MultiPro Tailgate
2020||Chevrolet||Silverado 1500, 2020||GMC||Sierra 1500, 2021||Chevrolet||Silverado 1500, 2021||GMC||Sierra 1500, 2019||Chevrolet||Silverado 1500 New Model, 2019||GMC||Sierra 1500 New Model
Prop 65 WARNING
UnderCover Flex FX11023 Hard Folding Truck Bed Tonneau Cover Chevrolet Silverado/GMC Sierra 1500 19-21 6'7" reviews
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