All Needs Include12 x Bobo balloon, 10 x LED string light, 10 x 70 cm stick sets, 1 x air pump. Powered by 2 AA batteries (not included). Sticks and lights can be reused again and again for event after event. Quality MaterialsBubble Balloons are made of quality TPU latex, which is safe, durable and wont break easily. To make the luminous balloon rounder and bigger, you must stretch them horizontally and vertically 2-3 times before inflation! Best Decoration For PartiesGlow in the dark balloons are suitable for so many occasions such as birthday, wedding night, summer beach, holidays such as Christmas, Valentine's Day, Easter, Mothers Day etc., light up the party or celebration the whole night long; Bringing vibrant colors to any fun occasion for an entire evening. Warm Tips1. If you want to inflate with helium to try to float the led balloons in the air, you have to inflate to at least 16 inches. 2. Stretch the tail end around 5 inches, twist and make several knots to stop the air leakage. 4. Don't blow up the light up balloon by mouth, use the helium tank or air pump only.