Self-sealing: Made of thick aluminum foil material, it is equipped with an automatic valve design. It seals immediately after expansion without the need for knotting, making operation convenient and saving more time Eye-catching 4D three-dimensional design: The star-shaped design creates a realistic 3D visual effect, making the party scene more immersive and photogenic Easy to inflate, deflate and reuse: Equipped with an inflation straw and ribbon, it can be inflated manually or quickly with an air pump, deflated with a back pressure valve, flattened with one button and stored flat for easy reuse Multi-purpose space and STEM occasions: It caters to space-themed parties, children's birthdays, baby parties, school science exploration activities, and photography props, making it easy to operate in multiple scenarios Date First Available March 26, 2025