Carlisle JC1945L23 Polyethylene Long Platform Janitorial Cart, 300 lbs Capacity, 49" Length x 19" Width 39" Height, Gray Rugged Polypropylene resists cracking, peeling and corrosion Three durable shelves with raised edges keep items organized Includes a 25 gallon nylon bag for waste or laundry collection 3-inches standard Carlisle non-marking swivel casters in front 8-inches non-marking rear wheels. Middle shelf length : 12.50 inches