Led Balloons Light-Up Balloon for Wedding Party Birthday Christmas Description: Material:PVC Style:Modern Size:Diameter: 18inch; LED stripe length: 2/3 meters Theme:Party Package List:1xLED transparent balloon +2/3 meter LED rope(other interior decoration NOT included) Feature: 1.Easy to use: Inflate the LED balloons with either helium or ordinary air, and activate the colorful LED light in balloons with switch to control glow in the dark party. Or you can fill other balloons or decorations(like feather, ribbon, paper,etc) into the interior before inflate it. 2.Powered by AA battery ( NOT INCLUDED) perfect for House Party, Birthday, Wedding, Christmas, Anniversary, 3.Dance Club or any other special occasion worth celebrating,which will increase the festival atmosphere at night. 4.Diameter: 18inch; LED stripe length: 2/3 meters 5.Notes: Ballon only float when filled with helium; cannot float with air. Ballon is not self-sealing, you need to tight it after aerated Notes: 1.Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2.Please allow 1-3cm measuring deviation due to manual measurement.