?Steps to use Step1: Take the sponge out of the package. Each sponge is individually packaged, sealed and compressed, flat and easy to store. Step2: Soak into the water. Put the sponge in water and squeeze it several times to expand. Step3: Get a big sponge. Please rinse and store dry after use. Can be applied repeatedly & Highly absorbent. ?Feature: Hydrophobic oil Reusable and Portable No scratch on the surface Residual and odor resistant Reliable and long serve time Daily use in your life ?Specification: Material: sponge Color: grey,pink,blue,yellow Size: approx. 5.51 x 1.97 x 1.97 inches/ 14 x 5 x 5 cm Quality of items: 3 pieces/bag ?Package includes: 3 x Damp sponge duster ?Note: To maintain the shape of the sponge, it is normal for the sponge to be slightly damp when you receive it. Do not place the sponge near a fire source.