The sheet contains sufficient moisture and it evaporates when the heat is absorbed, so the sheet keeps
chilling the temperature of your skin for approximately for 8 hours.
You can use the sheet when you have a fever and cool down your body in the summer and so on.
This Netsusama sheet has more than 50% share of the domestic market.
In 1996, the company decided to expand the market overseas, starting from Hong Kong, then South-eastern Asia. The company studied the real needs of each country and proposed the usage and products to meet the customer needs.