Delight your patrons with unique decor with our Balloonify Blue Mylar Number 5 Balloon. To make personalized messages, pair this birthday balloon with other Balloonify numbers and letters. Constructed from mylar, this 5-shaped number balloon shaped is moistureproof, allowing you to hang them in hot and humid situations. This mylar balloon is durable and reusable. The self-sealing valve of this party balloon ensures no air seeps out. Expand this balloon decoration using a hand pump to minimize the tiresome inflating process. This mylar balloon can be expanded with air or helium. With a cool blue shade, this graduation balloon provides a serene and calm touch to your celebration decor. Built with hanging loops, this custom balloon can be easily hung on ceilings, hooks, and chandeliers. This blue 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.