Inflated size: 13.5 x 12 x 7.7 ft <br> Kids age 3-10 are recommended, suitable for 3-4 kids play together. It can bear weight of 265 lbs (Suggestion: every kid's weight should be under 100 lbs). <br> Avoid area with sharp objects and debris before setup.Children should remove shoes,belts,jewelries,watches,keys,hairpin and all other sharp objects.<br> Requires constant, adult supervision so children play responsibly and bouncer would not fail in a serious way.