Made of durable heavy wall PVC and each includes a removable dura mesh liner These carts also feature a clear 'pocket' that you can easily fasten to any side of the cart Useful for listing cart contents, instructions any number of messages Simply slip up to a 4 14' x 11' sheet of paper into the pocket Carts offer great space saving storage and easy room to room mobility These carts easily roll into gym closets, locker rooms or any storage area for equipment safekeeping Can also be used for locker or laundry room items because of the breathable dura mesh liner Each cart includes four large easy roller casters To see the other similar carts available, click here