Tbags Pet Carrier TBU540 Tough 1680-denier ballistic nylon with fade-resistant UV treatment One side opens fully for easy loading Top and two side zipper mesh panels have full weather covers Foam-filled bottom with removable/washable lambs wool pad Expandable mounting system adjusts to fit all backrests 78in. to 14in. W x 2in. thick; will also fit H-D Premium Tour Pak Rack,Airwing Tour Pak Rack, and the Contour Tour Pak Rack