The swimming pool is made of quality PVC material, with a thickness of 0.18 mm, soft and comfortable, easy to dry and durable. Each one is about 35.4 inches/ 90cm in diameter after inflation, large enough for adults and teens to use; And it is lightweight and portable, in the flat condition, you can easily put it in your luggage or backpack, which is convenient to carry. It is suitable for swimming training, summer vacation, beach parties, swimming pool parties, etc.