Brand new, unused. Amazon price: 18,300 yen Ships the same day (within 24 hours). Shipping included. Chest: approx. 95-115cm, Length: approx. 54cm Unused item ● Evolution from the conventional water-cooling vest. This water-cooling vest has been redesigned to eliminate tubes and circulate cold water over a wider area. ● Use with frozen ice packs or ice. ● The motor is quiet and doesn't bother you. For those who find air-conditioned wear noisy! ● Effectively cools the armpits, which is effective for heatstroke prevention. It's a system that efficiently cools the body. ● Use it by connecting it to a battery. The battery is included. *The battery may be a similar product to the image depending on the situation. 【How to use】 1.) Open the water tank --- The water tank is fixed to the water-cooling vest body with Velcro. When opening and closing the zipper, hold the end of the water tank firmly so that it does not detach from the water-cooling vest, and pull the zipper. 2.) Add about 600ml of water --- Open the zipper of the water tank on the back and add about 600ml of tap water. If there is not enough water, the water circulation may be poor, and the operating sound may become louder. (Adjust the water according to the cooling situation.) 3.) Put in frozen ice packs (or ice) --- The water in the tank will become cold water. 4.) Connect to the battery and turn on the switch --- You can switch it on and off with the switch. Imported and sold by: Brain Co., Ltd. BR-867 It will be shipped in a waterproof bag with the shipping label attached. Since it contains a lithium-ion battery, it will not be taken to a convenience store and will be brought directly to the post office. Therefore, shipping may be slightly delayed depending on the timing of your purchase.