Black HBD Balloons, HBD Foil Letter Balloon for Birthday Party Decorations

? MODERN MINIMALIST DESIGN: This HBD black balloon for birthday decor features a minimalist style with an elegant appearance. It works wonderfully for party d?cor and serves as a stunning photo backdrop for birthdays of family, friends and pets.
? VERSATILE INDOOR/OUTDOOR: You can hang these 40in happy birthday foil balloons banner in your backyard, living room, or party room. You can also fill it with helium for floating display to freshen up your birthday party layout.
? MATERIAL: The black HBD balloon is made from premium aluminum foil, safe, non-toxic and durable. The large HBD balloon sign features a self-sealing valve to keep balloons inflated throughout your event.
? HELIUM SUPPORTED: Balloon letter HBD (HAPPY BIRTHDAY) can be filled with air or helium. To avoid popping, it is recommended to inflate foil balloons to about 90% capacity.