Allen 21923 Eliminator Window Prefilled Front Bag, Gray Polyester, Tacky Grip Bottom, Weighs 0.17 lbs., 5.50" L x 7" H

The Allen Company's Eliminator Window Shooting Rest is designed to fit over a window or fence rail. It features tacky grip material on bottom, rugged polyester ripstop exterior fabric & is filled with inert foam beads.