Specification: ☃ Material: Soft Waterproof polyester fabrics and high-strength memory steel holder. ☃ Unfold size: 39.4 X 39.4 X 14.5 inches ☃ Folded package size: 8.6 inches in diameter ☃ Package Includes: 1 x Ball pit 1 x zippered storage bag (BALLS NOT INCLUDED) ☃ Recommended age: 6 months and up Advantages: ☃ Stimulates the children's Imagination, Encourage their Color Perception and Shape Recognition and even Cultivate them to be Independent and Coordinate. ☃ Quick & Easy to Assemble - Popup design makes setup a breeze . ☃ Convenient Storage - Folds flat for easy and compact storage. ☃ Durable & Easy to Clean - Made with durable fabric that wipes clean for a long life of fun and entertainment. ☃ Lightweight - which makes it possible to move around, to the backyard, to friends' house, to camping and anywhere you like. ☃ Indoor and outdoor play - Great for at-home entertainment, a day at the beach, and more. How to use: ☃ Open the packaging and carefully to expand it. Note that the product will quickly bounce open. ☃ pay attention to product folding method.