Unique Design: Oversized three-tier iridescent cake balloon,made of high-quality polyester film aluminum foil,not easy to explode and leak,colorful and dazzling colors and beautiful spherical shape suitable for everyone,ldeal for birthday parties. Package Included: 40 Inch iridescent three-tier big cake balloon 1(uninflated) + 1 straw. Perfect Choice:Huge iridescent three-tier large birthday cake balloons big are great for baby or girls birthday party supplies,which can create special memories for your family and friends. is make great photo booth props,suitable for many party decorations,you can take memorable photos,Perfect for birthday celebration. How To Use: Use a straw or an air pumb to fill 90% of the air,(helium is not supported)self-sealing,simple and easy to use,can be deflated with a straw to facilitate repeated balloon use. Service: If you have any dissatisfaction with our products, please contact us to resolve the problem