1. Keep the vacuum cup dry when not in use for a long time.
2. To prevent peculiar smell and stain, please clean and dry it after use.
3. Since the dirty water will leave red spots similar to rust, soak in warm water and diluted vinegar for 30 minutes and rinse.
4. Please use a soft cloth dipped in a neutral detergent and a moist sponge to wipe the surface of the product. The product must be cleaned after each use.