Smooth perforated 12 gauge steel deck with 1-1/2 in. lip allows debris and moisture to pass through. Deck is stronger and more durable than expanded metal, with no metal ends to stick up and scratch or puncture the load. Powder coated green finish. Ships fully assembled, ready for immediate use. Solid Rubber wheels 10 in. x 2.75 in. Capacity is 1,200 lbs.