Allen Window Mount Gun Rest Shooting Bag - Brown - Designed to fit over a window, a rear-view mirror frame, or a fence rail, the Filled Window Mount Gun Rest also features a non-slip bottom. The gun rest surface is low-slip textured PVC material, and the body of the bag is rugged 600D polyester fabric. Inert poly bead fill. Brown Color Designed To Fit Over A Window, A Rear-View Mirror Frame, Or A Fence Rail Non-Slip Bottom Low-Slip Textured PVC Material Rugged 600D Polyester Fabric