Features: 1) Made of 18oz,1000D fire retardant vinyl 2) All seams are double stitching (triple stitching in some parts) and reinforcement strips stitched on all mattress seams 3) Attached with step, cardholder, warning and accessories for repair 4) With removable climbing and sliding surface 5) Multifunction: bounce, climb, slide, crawl, drift and swing 6) Dimensions: 6.1 x 5.6 x 3m