Bring an X-factor to your anniversary celebration using our Balloonify Rose Gold Mylar Letter X Balloon. Write customized messages for the party by pairing this metallic balloon shaped like the letter X with our other Balloonify letter and number balloons. With a mylar construction, this custom balloon stays strong under humidity and heat, ensuring long float life for outdoors too. The reusability of this premium party balloon nudges you towards more sustainable practices. With a self-sealing valve, this mylar balloon breaks off any air leakage to let the balloon stay in prime shape. Rather than filling it with air using the conventional method, you can inflate this graduation balloon using a manual or an automatic pump. With an aluminum rose gold finish, this letter balloon exudes a subtle vintage feel. The hanging loops provides a means to hang this birthday balloon from walls or ceilings for better presentation. Measuring 16 inches in length, this moistureproof foil balloon can be inflated with air or helium. 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.