Size: 350ml | Color: Blue ・ Open & auto lock with slide push -The bottom is made of resin, so you can place the bottle quietly on the desk. ・ Lightweight and easy to carry ・ Heat insulation and cold insulation with vacuum insulation ・ Body wash OK System unit size (width X depth X height): 2.6 * 2.6 * 7.09inch Insulation effect (6 hours / 1 hour)... 63 °C or more / 85 °C or more ※ Insulation effect means that the product is filled with hot water at room temperature 20 °C ± 2 °C, and the temperature is 95 °C ± 1 °C in the vertical position. It is the temperature of the hot water when left for 1 hour and 6 hours. Cooling effect (6 hours): 9 ° C or less * Cooling effect is when the product is filled with cold water at room temperature 20 ° ± 2 ° C and left standing for 6 hours when the water temperature is 4 ° ± 1 ° C. The temperature of that water in