Easy to set up - no tools required. Liner is supported by inflatable top ring while the pool goes up by itself as the water level rises. Pool has convenient drain plug for easy emptying. Sidewalls are made with 3 separate layers of material for extra strength and durability, two outer layers of heavy gauge PVC laminated to an inner layer of polyester mesh for extra reinforcement. Safety Information:Warning. Not suitable for Children under 3 years. Intex Easy Set Pool Blue 8 Ft x 24" Swimming Pool