THIS WOODEN DOLLY IS COVERED WITH CARPET TO PROTECT THE CHAIRS FROM SCRATCHES. THEY HAVE LARGE CASTERS FOR EASY TRANSPORT. THIS DOLLY CAN HOLD UP TO 30 WOOD OR RESIN FOLDING CHAIRS OR UP TO 70 PLASTIC FOLDING CHAIRS. IT IS RECOMMENDED TO STRAP OR SHRINK WRAP BEFORE ROLLING THE DOLLY ONCE THE CHAIRS ARE STACKED. 1 YEAR LIMITED WARRANTY.