"Set Contents: 370 water balloons, hose adapter included Material: Made of natural rubber, it is environmentally friendly and gentle on the skin Easy to Use: Connect the hose and open the faucet, fill the balloon with water and inflate the mouth automatically closed. It will fall down, so you can fill it with water, and you're ready to throw the water balloons. You can make many water balloons in no time. Easy to use by children. Target Audience: Summer limited item for adults can enjoy the summer at summer parties, sports events, school festivals, water play, seaside, festivals, and water battles Caution: Small children are dangerous, so please be accompanied by a parent. Please do not put it in your mouth as it is dangerous. Balloons and mouth closures are made of natural rubber, but please collect the garbage. The adapter may be difficult to connect If you don't spin it, push it hard and it will fit. 370pcs in 60second."