【Widely Use】 Perfect for balloons, paper lantern, pumpkin, vase, party, wedding decor, camping, barbeque, Christmas, Halloween decorations. Glow in the dark party supplies. 【Long Working Time】100pcs/lot, flash, bright but power saving, working about 12-13 hours, optimal brightness can last 4-5 hours (Batteries included) 【Mini Size】 Round design balloon light won't scratch the balloon compared with other shapes. 【Waterproof】 Can be used in water, pool, vase, suit for indoor/outdoor use. 【Party MUST-HAVE】 Perfect for your party, birthday, wedding, halloween and Christmas, you will love these! If you have don't like these, please contact us for a full refund.