• Plentiful quantity: There are a total of 50 pieces happy birthday colorful 4D balloons in the package, 12 styles patterns, sufficient quantity allows you to share with your friends, classmates, family members, different patterns can meet your diverse decorative demand
• High Quality: These balloons for birthday party are made of high quality aluminum foil, thick, auto-sealing, no leaks, can last for weeks when inflation; there is a little hole on the top of the balloon, you can fill the balloons with air or with hydrogen and helium to make them float
• Wide Application: The round happy birthday foil balloon can be widely applied on many occasions, ideal party decoration for all ages, you can easily match any party theme and decor by these 50 colorful balloons
• Automatically Sealed: The self-sealing valve of our aluminum foil balloons will automatically seal itself once they are filled; these foil birthday balloon can be attached to walls, doors, tables, windows and almost anywhere
• Easy to Hanging with Ribbons: You can use the pump or straw to blow the balloon, pinch flat the mouth of balloon after inflation, they will be sealing automatically; you can use the straws to suck out the helium and reuse the balloons; you will also get one 5 meter ribbon so that you can easily hang these balloons during your event