1. Before using the new product, use boiling water (or add some edible detergent to scald it several times and perform high-temperature disinfection.)
2. Before use, please use boiling water (or cold water) to preheat (or pre-cool) for 5-10 minutes to make the heat preservation effect better.

1. Before using the new product, use boiling water (or add some edible detergent to scald it several times and perform high-temperature disinfection.)
2. Before use, please use boiling water (or cold water) to preheat (or pre-cool) for 5-10 minutes to make the heat preservation effect better.

1. Before using the new product, use boiling water (or add some edible detergent to scald it several times and perform high-temperature disinfection.)
2. Before use, please use boiling water (or cold water) to preheat (or pre-cool) for 5-10 minutes to make the heat preservation effect better.

1. Before using the new product, use boiling water (or add some edible detergent to scald it several times and perform high temperature disinfection.)
2. Before use, please use boiling water (or cold water) to preheat (or pre-cool) for 5-10 minutes to make the heat preservation effect better.