YJ442X Once someone sits on it， the air in the cushion will escape. Bring you much joy and fun. Made of durable material which can be used over and over. Using this funny toy whenever you want to trick on someone. A surprising gift to your good friends.   Package Details Weight: 62.06 g Size: 17.7*17.7*3 cm Package Includes 1 × Self-Inflating Whoopee Cushion