adult or yount people go inside for fun and health,made best PVC tarpaulin mateiral (UV-retardant,fire-retardant,water-proof). 18 oz heavy-duty pvc coated fabric complys to ASTM ,BS7837. SGS tested safe,3years warranty,CE&UL certified blowers.fantastic inflatable bouncer at low priceFeatures and specifications:Huge inflated size 13'L x 13'w x13'h(4mx4mx4m). Powered by strong UL&CE blower ( ...