Lightsfever 6PCS LED Light Up Bobo Balloons for Wedding Party Decorations | 20 Inch clear balloons with lights, warm white glowing transparent balloons for helium or air, birthday, halloween decor

? [Cell batteries included for convenience] last up to 72 hours, and string lights can be reused by replacing the batteries
? [12-18 inches in diameter after inflating] two extra balloon for assembly test run, inflate with a balloon pump or helium tank. You can not inflate by mouth as the balloons need more pressure
? [Balloons are not self sealing] Important to stretch the neck before inflating, after inflating stretch and twist the neck around so it can be easily tied.