... or Air: Inflate balloon via LED light unit directly, and led light unit sealing gas automatically.5.) LED Light Lasts for 4 hours (contant ... can be replaced, LED Light can be reused. Item No. FA-B001 Item Name LED Light Balloon Materials Plastic, LED, Button Cell Batteries, ... experience in Gifts & Crafts. In addition, we have set up several departments, including R&D, Production, Sales and Service.We ...