Pallet rack protectors help to protect pallet rack legs and uprights from impacts and bumps work forklifts and other vehicles. The engineered shock absorbing design deflects impact energy away from the rack and vehicle to protect and guard equipment and inventory. The easy snap on installation makes them easy to install with a bright safety yellow and black color makes pallet racks more visible in dark environments. Fits 3" to 4 1/4" Wide Racks Quick, snap-on installation. Yellow and Black Caution Color Scheme Engineered Shock Absorbing Design Stack to your desired height. Waterproof