Hard Folding Cover Comparison
Armor Flex (Fully Open)

The UnderCover Armor Flex does not make any contact with rear window when fully open. It can be driven in this position if prop rods are securely fastened.
BAKFlip MX4 (Fully Open)

The BAKFlip MX4 has rubber protective padding so when the cover rest against the rear window it does not make any direct contact. It can be driven in this position if prop rods are securely fastened.
Armor Flex by UnderCover

The BAKFlip MX4 has rubber protective padding so when the cover rest against the rear window it does not make any direct contact. It can be driven in this position if prop rods are securely fastened.
BAKFlip MX4 by BAK Industries

The BAKFlip MX4 features a textured black finish. This hard folding cover can support 400lb of evenly distributed weight
Hard Folding Truck Bed Covers
Hard folding truck bed covers are in stock for Chevy, GMC, Ford, Ram, Honda, Jeep, Nissan, and Toyota trucks. The industry-leading brands for hard folding tonneau covers in the USA are: BAK Industries, and UnderCover. The different models available are: BAKFlip MX4, UnderCover Ultra Flex, and Armor Flex.
The sleek, low-profile appearance is one of the many reasons why these premium hard folding covers are the most popular. UnderCover Armor Flex and BAKFlip MX4 are the most popular hard folding tonneau covers for Chevy/GMC, Ford, Ram, Toyota, Nissan, Honda, and Jeep pickup trucks.