Description18 inches transparent balloons and 3-meter long wire flashing LED lights. These balloons are great for Party, Birthday, Wedding, Christmas, Anniversary,etc. It will retainning brightness to stay with 2pcs No.5 battery about 24 hours.Feature- Color: Blue - Material: LED Light, Latex - Size: 18-inch balloon. - String length: 3M. - Weight: Light string about 30g, balloon about 9g. - Design for your party: These Ballons will float with helium and retain its brightness to stay with 2pcs AA battery about 24 hours, we do not provide battery. - and durable: It flashes up with external battery and turn-on/off button. - Lights will not move around. - It is safe and made from bendable copper and not easy to break off.