Product performance:
1. Rich foam: choosing rich-foam sponge, high intensity materials with rich and fine foam. It can keep water and increase lubrication without scratches.
2. Killing dirt: coral holes on one side could effectively "catch" dirt with strong cleaning function.
3. Long durability: finely choosing special pulling-sponge whose fibre is hard to break.
Application method: apply it after being emerged in water, after that cleaning with clean water could prolong using life.