Elevate your event décor with our Balloonify Mylar Rocket Ship Balloons. Durable and long-lasting, these large mylar balloons are expertly crafted to withstand a fun-filled day of celebrations without losing their shape or shine. These rocketship balloons, with their unique design, are sure to captivate your guests, making your event memorable and picture-perfect. Equipped with a self-sealing valve, these mylar foil balloons provide an effortless inflation experience, whether you choose to fill them with air or helium. For easy assembly, inflate these balloons with a pump. Designed for versatility, these moistureproof rocket balloons can be reused, making them an ecologically conscious choice. Ideal for all occasions, from children's birthday parties to corporate events, these balloons can be hung on the walls of any venue using the hanging loops. To reuse these balloons, gently deflate, properly store, and carefully reinflate without overfilling. These jumbo mylar balloons measure 28.75 inches in length by 23.5 inches in width, making them an eye-catching centerpiece or backdrop for your event. Shipped deflated in a 100 count box. These party balloons can be easily inflated with the included straw, providing you with full control to help avoid the risk of over-inflation. Electric air balloon pump (SKU: RWP1061) sold separately.