Has a simple design with vinyl construction， built-in seats with back rests for lounging and drink holders for your beverages Great family sized with 4 built-in seats with backrests for lounging or supervising children Two drink holders on the side Two large air chambers - each with double valve intake and free flow exhaust valve Pre-tested vinyl with extra wide horizontal I-beam sidewalls for sitting or loungingInflates with ordinary high volume hand or foot pump Folds compactly for travel or storage Convenient drain plug in floor For age 3 years and above Approx. inflated size: 229 (W) x 229 (W) x 56 (H)， with 35 cm deep Water capacity at 80% of wall height: 762 liter Material : Vinyl