Make one-of-a-kind decorations with our Balloonify Silver Mylar Letter Y Balloon. This custom balloon shaped like the letter 'Y' is pairable with our other Balloonify letter and number balloons. Made from mylar, this party balloon is unaffected by humidity and heat, making it perfect for outdoor and indoor use. The mylar build of this metallic balloon gives it the durability to be reused time and time again. Featuring a self-sealing valve, this mylar balloon won't have unforeseen air leakage. Inflate this graduation balloon with a manual or automatic pump for a faster party setup. The aluminum silver finish of this letter balloon exudes a dazzling shine on your party decor. With a built-in hanging loops, you can effortlessly hang this moistureproof birthday balloon onto walls or ceilings. Measuring 16 inches in length, this foil balloon can be inflated with air or helium. To reuse this balloon, gently deflate, properly store, and carefully reinflate without overfilling. Shipped deflated in a 1 count box. This party balloon can be easily inflated with the included straw, providing you with full control to help eliminate the risk of over-inflation. Electric air balloon pump (SKU: RWP1061) is available and sold separately.