PVC material won’t tear fade resists mold and is easy to clean. All high-stress areas. Bouncing surface mattress sides bottom and slide surface are industrial strength 15-ounce 0.45mm PVC. Heavy-duty multilayer Vinyl at all stress areas and double to quadruple stitching is used throughout each game. Jumping surface provides excellent spring and cushioning allowing for tall leaps and comfortable landings Enclosed roof shields children from overexposure to the sun Roof has an emergency escape hatch in the event of deflation due to power failure Large mesh windows made from ripstop PVC netting won’t tear like cheaper fabric mesh and allows for supervised viewing of the children. Finger-safe netting as part of our “No Jump Top” system designed to ensure that kids slide correctly and safely every time Bladder misting system that connects to a standard garden hose Inflation/deflation tube for deflation. All materials comply with the Lead Free Toys Act. Phthalate Free Vinyl materials are fire retardant California Prop 65 Warning: This product can expose you to chemicals including PolyVinyl Chloride PVC which is known to the State of California to cause cancer and birth defects or other reproductive harm.