Truxedo 1473301 - Pro X15 Soft Roll Up Tonneau Cover Chevy Silverado/ Sierra 2500/3500 6'7" 2019 ymm_2002_Chevrolet_Silverado--1500 It is made of UV

It is made of UV stabilized

Size : 25/64"

The cover can be installed or removed in minutes

1 screw holder 5/32" x 4"

Air inlet : 1/2"

Truxedo 1473301 - Pro X15 Soft Roll Up Tonneau Cover Chevy Silverado/ Sierra 2500/3500 6'7" 2019 ymm_2002_Chevrolet_Silverado--1500 It is made of UVALL NEW PREMIUM ROLL UP COVER WITH XTRA LOW PROFILEThe all new Pro X15 includes many of the same great features as our #1 selling cover, theLo Pro, but with added style and performance. New 15 degree rails deliver an Xtra lowprofile, flush mount look on the truck bed, and superior grade woven fabric provides astylish matte black appearance. The cover can be installed or removed in minutes, withno drilling required, and the unique self leveling design