COOL VEST, cooling packs, battery, instruction manual included Manufacturer: Might Industrial - Product Name: COOL VEST - Size: Free Size - Set Contents: Cool Vest, Cooling Packs - Country of Manufacture: China Manufacturer's Suggested Retail Price: 36,000 yen ※Patent pending High-efficiency cooling system ① Warm cooling water enters from the circulating water inlet located at the top of the tank. ② The cooling water flows from the top to the bottom of the PET bottle, completely cooling it. ③ The cooled cooling water circulates through the cooling hose from the circulating water outlet at the bottom of the tank, always maintaining the best and most comfortable condition. "By placing the circulating water outlet at the very bottom of the tank, only a small amount of cooling water (approx. 200ml) is required." ※ There are some stains (last 3 photos) I may have overlooked some minor stains, I apologize. ※ The instruction manual is also stained, please let me know if you only want the image data. I will send the images after purchase.