TPU casters feature a soft thermoplastic polyurethane wheel that is durable and nonmarking They also provide quiet movement and superior floor protection Provide quiet operation and smooth rolling Engineered for unsurpassed durability and reliability resistant to chemicals acids bases alcohols and salt Perfect for a variety of applications and uses like food service retail display institutional hospitals schools restaurants warehouses shop floors industrial and manufacturing environments Specifications. Color Black Blue. Size 3. Weight 16 lbs