Family-size pool: Recommend up to 2 adults plus 4 kids to a enjoy splashing pool party in the backyard. Safe & durable: Made with Phthalate and lead free, which is 50% thicker than most in the market, reducing the risk of punctures and ensuring a long service life. Long waiting be gone: inflate in 3-4 minute by electric pump (not included), 2 water valves double the drainage speed Strong and stable structure: 3 individual air chambers can withstand extra weight while preventing air leakage so the pool is always ready for fun Vertical Drainpipe: 90° vertical drainpipe can facilitate the outflow of water.