Abrasive Sponge Usage: shell of mobile phone, computer, IPAD....Car,mould, Quality is similar as 3M Abrasive Sponge  Pro Grade Block Sanding Sponges are made to fit the palm of your hand for easy sanding on flat, contour or irregular surfaces. Use this extra-fine-grit sponge for final sanding prior to final coating application. A 3M Pro Grade sanding sponge is made with sharp, premium mineral; durable, flexible foam, and has an anti-load coating for long life. The professional grade foam is comfortable to grip and maintains its shape through a variety of sanding jobs. Block sponges work well on surfaces with oil enamel, latex primer, lacquer, sanding sealer, and other coatings on wood, paint, metal, plastic, or drywall. They can be used wet or dry and are washable and reusable. Sanding is an integral step in preparing a surface to receive a coating. For the best sanding results, sand with the grain of the surface and work through a sequence of grits, from coarse to very fine, skipping no more than one grit between each sanding step.

Professional Grade Block Sanding SpongeAnti-load coating for long lifeSharp abrasive mineral for fast cutSands flat and contoured surfaces

Usage:  shell of mobile phone, computer, IPAD....Car,Quality is similar as 3M