Stainless Mug TUFF Seamless Sen 0.48L Color Pattern: EW (Phantom Thief Kid)

* The heat retention effect is when the product is filled with boiling water up to the position described in the instruction manual at room temperature of 20 ° C ± 2 ° C and left standing vertically for 6 hours from the time when the water temperature is 95 ° C ± 1 ° C. The temperature of the hot water.
* The cold insulation effect is when the product is filled with cold water up to the position described in the instruction manual at room temperature of 20 ° C ± 2 ° C and left standing vertically for 6 hours from the time when the water temperature is 4 ° C ± 1 ° C. The temperature of the water in