How & Where: - Soak the sponge with water, No detergent is needed - Squeeze out excess water - Scrub on stain area gently - Rinse the dirty sponge with cold water after use and let it dry - Clean most of the stain/dirt at home (Kitchen & Bathroom) and office - Effective on Stainless Steel, Leather Surface, Chinaware or Corningware, Plastic and Tile Size: 6.5 x 12 x 3 cm