PartyWoo Silver Foil Balloons 20 pcs Different Sizes Pack of 22 15 10 Inch Large Round Silver 4D Mylar Balloons and Ribbon for Birthday Wedding New Year Baby Shower Graduation Party Decorations

20 PCS 4D FOIL BALLOONS DIFFERENT SIZES: The package includes 10 inch round foil balloons (10 pcs), 15 inch round foil balloons (5 pcs), 22 inch round foil balloons (5 pcs), inflation straw (1 pc), 9.8ft balloon ribbon (1 roll). Foil balloons under 18 inch can not float when filled with helium, it is recommended to fill them with air 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 HOW TO MAKE IT ROUND: There will be crease when the 4D balloons are only 80% full. When the crease shows up, please continue to inflate SLOWLY and stop inflation when it becomes round and full. Please DO NOT overfill the balloons. These balloons can be filled with air and helium, but only float-able when filled with HELIUM ODORLESS: These 4D round foil balloons are odorless and of vibrant colors. It is recommended to use these 4D balloons with a balloon hand pump or electric balloon pump for better balloon shape APPLICATIONS: These 4D foil balloons are perfect for party decorations, birthday decorations, baby shower decorations, wedding decorations, new years's eve decorations and themed party decorations