YAMAZEN Direct Cool Water Cooling Suit *1 No instruction manual included. *2 Used for a total of about 10 hours. *3 Cleaned according to the manufacturer's recommended method. *4 Works without any problems, but it is a used item, so please purchase only if you understand this. *5 Everything in the images is included. *6 We will re-check the operation before shipping, so there may be some water droplets remaining inside.