Padded neoprene mat with rubber backing protects gun's finish during cleaning. Big enough to accommodate a full-size AR-15/M16 rifle. Features a big exploded drawing of an AR-15 organized by major groups - even a schematic of a disassembled 30-round magazine. Absorbs excessive oils and solvents and keeps your work surface dry and clean. Rolls up easily for storage. Mfg: Wheeler Engineering SPECS: Rubber-backed neoprene, gray. 47" (119cm) long x 20" (50cm) wide.