1. Keep the mug dry when not in use for a long time.
2, in order to prevent the occurrence of odor and stains, please clean and dry after use.
3, due to the use of dirty water will leave a red spot similar to rust, can be soaked with warm water and diluted vinegar for 30 minutes, you can wash.
4. Wipe the surface of the product with a soft cloth dampened with a mild detergent and a damp sponge. The product must be cleaned after each use.