4D SILVER BALLOONS: The package includes 22 inch giant 4D foil balloons (6), 15 cm inflation straw (1), 3m / 9.8ft ribbon (1), ideal big silver balloons, silver decorations for birthday, wedding decorations, bridal shower, engagement decorations, baby shower REUSABLE AND HIGH QUALITY: The large 4D foil balloons are made of Nylon Aluminium Foil, which keeps inflated for long time and reusable. With the inflation straw included, it is easy to inflate and deflate. Ideal balloons for birthday party, bridal shower, baby shower, birthday decorations, silver decorations, silver decorations for birthday, wedding bridal shower, party decorations for women HOW TO MAKE IT ROUND: There will be crease when the 4D balloons are only 80%. When the crease shows up, please continue to inflate SLOWLY and stop inflation when it become round and full. Please DO NOT overfill the balloons. These balloons can be filled with air and helium. The 4D balloons are float-able when filled HELIUM. These balloons silver, helium balloons for parties are ideal balloons for birthday party