Foam mechanic floor mat. Laminated closed cell foam. Top and bottom layers are black foam while the middle layer is blue. Will not breakdown under harsh chemicals, including the harsh oils used in the automotive/aircraft industry. Aid for comfort and cleanliness when kneeling, sitting or laying on hard surfaces such as garage or home floors, gardens, patios, driveways, etc. Fine cell structure resists grease, oil and dirt. Easily cleaned with water. Lightweight - easy to transport, store or hang up. Dimensions: 38-1/2”L x 15-1/2”W x 1-3/16”D. Comes in a pack of five.