Guests not in costume? No problem! Cardboard. 4 ft. 6 x 6 ft. 7 1/2 Stand-ups are one-sided with a brown cardboard back. Simple assembly required. © OTC Special Shipping Information: This item ships separately from other items in your order. This item cannot ship to a P.O. Box. This item may be subject to additional processing days.ITEM IS NOT ELIGIBLE FOR EXPEDITED SHIPPING