Namsan Foldable Large Dog Pool Dog Pool, Two sizes to choose from: Small 7.78"31.5" and Medium 11.8"47.2" Material: This pet pool is made of PVC waterproof fabric material, extremely durable and watertight. The walls are made with a strong wood board rather than cardboard. The wood board makes the pool more sturdy. 1)Simply fill pool with water for pet to enjoy swim time. When finished playing, open the drain plug to empty dirty water; 2) Easy to clean and move. 3) Foldable: you can take it everywhere! 4) It also can be used as a dog bath tub, outdoor water pond, fish pond and so on. Notice: Do not place close to sharp objects. It's best to place a durable bottom material beneath it for added protection when use the pool on a hard surface. Give your dog a chance to play in the summer heat, it is a perfect toy to cool off in!