These durable covers are made of rugged cotton/polyester sheeting that's coated with a special finish, which allows it to breathe, yet remain water-resistant. The roll-hemmed cover has a rubberized magnet sewn into each corner, helping it to stay put while protecting your investment from performance threatening condensation, oxidation, rust, dust and other elements in your garage or workshop. Excellent for: Tools, Bikes, Air Conditioners, Tool Boxes, Lawn Mowers, Tractors, Tillers, Snow Blowers, Barbecues, Patio Furniture, Fire Wood and much more. This set includes three covers:1 small - 27 in. x 36 in., 1 medium - 36 in. x 56 in. and 1 large - 56 in. x 72 in.