Bring out your creativity using our Balloonify Gold Mylar Letter S Balloon. Styled in the shape of an "S," this graduation balloon goes with other Balloonify numbers and letters. Highly durable, this helium-quality custom balloon won't pop easily in heat, making it apt for outdoor events. Plus, this happy anniversary balloon is moistureproof. To maintain its structure throughout the event, this reusable party balloon avoids leakage of air, as it comes with a self-sealing valve. To make your decorations beautiful, place this letter balloon on walls using the built-in hanging loop. With a metallic gold finish, this birthday balloon is very impressive, letting your guests go in awe. This balloon decoration can be inflated using a hand pump and measures up to 16 inches. To reuse these balloons, 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.