UnderCover Flex 04-14 F150/06-08 Mark LT 5'7" SuperCrew Model FX21002 Side Mount Deals and the rubber flaps are

and the rubber flaps are made from a tough 3/8" thick textured rubber

82h x 16d 63710-006

Buyers Products 16x13x72 Inch Smooth Aluminum Top Mount Truck Box 1751651

Buyers Products 18x18x60 Inch Gloss Black Steel Underbody Truck Box With Paddle Latch 1702115

UnderCover Flex 04-14 F150/06-08 Mark LT 5'7" SuperCrew Model FX21002 Side Mount Deals and the rubber flaps areUnderCover Flex 04 14 F150 06 08 Mark LT 5'7" SuperCrew Model FX21002 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