Includes an insulation sheet. Light-up function confirmed. Used once at a live performance, then stored with the insulation sheet. Batteries included. The bag is not in good condition. HA SUNG WOON blue light stick, cloud and star design. - Model Name: HA SUNG WOON Light Stick - Color: Blue - Function: Pull switch - Instruction manual: Included - Design: Cloud and star motif Thank you for looking.