Home / Gifts / Balloons / 18 inch HX Bold Birthday 18 inch HX Bold Birthday 18 inch HX Bold Birthday Balloon. If we don’t have this one we will substitute for one that is similar. $5.00 18 inch HX Bold Birthday quantity Add to cart When you order custom flower designs, they are produced as closely as possible to the picture. Also, because each design is custom made no two arrangements are exactly alike. Therefore, color and/or variety substitutions may be necessary. Prices and availability of seasonal flowers may vary. Our professional staff of floral designers are always eager to discuss any special requests. Please do not hesitate to call us and we will be glad to assist you with something special. See our designs on Facebook! Remember, we offer free personalized cards, vases & ribbons upon request - and same day delivery is our specialty!