PlayStar Air Rider Features double wall construction for the ultimate durability Comfortable contoured seats, Designed for 1 or 2 riders PS 7958 Air Rider is a delightful ride Mounting brackets, chains and assembly hardware included Will not crack, break or fade Easily Mounts to Wooden Swing Beams (2 Laminated 2" x 6"'s or 1 - 4" x 6")