Elevate your sparkly anniversary soiree with our Balloonify Silver Mylar Number 8 Balloon. Shaped as the number 8, this birthday balloon fits perfectly well with other Balloonify numbers and letters to create custom banners. Made from premium mylar, this number balloon is moistureproof to withstand humidity. This party balloon is reusable for multiple events due to its thick and durable material. Featuring a self-sealing mechanism, this balloon decoration locks the opening completely, not letting the air out. Conveniently expand this graduation balloon using a hand pump. Inflate this custom balloon with air or helium to choose from hanging or floating the balloon. Beautified with a stylish silver finish, this helium balloon provides a sleek touch to your anniversary and birthday events. Incorporated with hanging loops, this custom balloon can be easily tied or hung on any hinge. This silver mylar balloon measures 40 inches in length. 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.