20 LED Light Up Balloons, 12 inch Neon Balloons Mixed Colors Flashing Lasts 24 Hours Glow in the dark for Birthday Glow Party Favors Supplies Wedding Halloween Christmas Decorations

【 More darker the environment, More brighter the balloon, and remove the gauze/wrapping around the LED inside the balloon. If the LED appears dim, gently “tap it” until it brightens.】
【Colorful Balloons and Colorful LED Light – Flashing】, Though the LED’s weight keeps these balloons grounded, they create stunning displays when secured in place – try hanging them from ceilings or wrapping around tree branches for magical effects!
LASTS FOR HOURS FOR NON-STOP PARTYING: Inflate the balloons to 12 inches (30cm) with either helium (no helium tank required) or ordinary air, these decors will brightness up to 12 hours of continued use and remains cool to the touch. So, plan your event now and party from dusk till dawn!