BIRTHDAY BALLOON SET: The 12pcs black and gold balloons set for the birthday party include 12-inch balloons containing 2 x gold '40th birthday' balloons, 2 x black '40th birthday balloons, 2 x black gold confetti balloons, 2 x gold 'happy birthday' b, UNIQUE DESIGN: The balloons all have these happy birthday elements on them, and the different colors can collide to create a unique balloons design. If you are planning to celebrate your 40th birthday party, our balloon decorations will be your best, WIDE APPLICATION: Black gold birthday balloons can be used for indoor and outdoor birthday party decoration, you can decorate the balloons anywhere you want, such as the living room, kitchen, room, patio, lawn, picnic, etc. It will definitely make yo,