20 Pieces 18 Inches Silver Round Foil Balloons, Metallic Mylar Balloons for W…
· Silver Mylar Balloons – 20 Pieces. 20 Pieces Silver Round Foil Balloons Set. HELIUM OR SUPPORTED | -SEALING: Each balloon has a built-in -sealing valve, allowing you to inflate them quickly with helium or —no tying needed, and they can be reused if handled gently after deflation.