16 Inch Foil Mylar Balloons for Party Wall Decoration (Premium Quality, Non-Floatable), Glossy Silver, Letter F Easily hung on strings from ceilings or attached to wall with tape Easy to inflate using the a straw or an air handheld pump Long lasting. Reusable. Self-sealing valve for easy inflation and deflation. Shipped uninflated. Non-floatable, air-filled only