Elevate your milestone, birthday, or anniversary celebration with LOONBALLOON Anniversary Balloons, featuring the elegant 18" HAPPY 40TH DAMASK HEART set. This round foil mylar balloon boasts a charming Happy 40th Damask Heart design, perfect for accentuating your special occasion. Equipped with a self-sealing valve, this balloon ensures gas retention after inflation, whether using helium for a floating effect or a balloon air inflator. Make your milestone celebration unforgettable with the 18" Happy 40th Damask Heart Balloon