Glamorize your walls for celebrations using our Balloonify Black Mylar Letter T Balloon. Shaped as "T," this happy anniversary balloon can be put together with other Balloonify letters and numbers to beautifully decorate your party halls. The premium mylar construction of this custom balloon makes it durable and moistureproof, allowing it to float even in humid conditions. The exquisite black finish of this mylar balloon enhances the outlook of the entire stage. Equipped with a self-sealing valve that avoids air leakage, this balloon decoration stays in the same shape and size throughout the event without deflating. The built-in hanging loops of this helium-quality balloon lets you hang it on walls conveniently. This reusable letter balloon can inflate up to 16 inches and can be filled with air using a hand pump. 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.