Cup temperature description:
The so-called 55 degree temperature is just a conceptual temperature, which is not accurate. This product uses the principle of endothermic. Please use cold water before using it to reduce the temperature of the interlayer storage before using it again. Add hot water to cool down. This product has a liquid-like substance in the inner layer of the liner. It is non-toxic and harmless. It is used to heat up and cool down. Please feel free to use it.
About the cup leaking problem:
Please do not pack too much when loading water, it should be lower than 3CM of the cup mouth (the product is too full and easy to overflow), this product must be shaken left and right, can not be shaken up and down, but can not be shaken upside down.
Size: 7.62cm × 22.1cm
Material: 304 Stainless Steel