These Microfiber-covered sponges are excellent for polishing, scrubbing, bathing and detailing. It' These Microfiber-covered sponges are excellent for polishing, scrubbing, bathingand detailing. It's also a good choice to use for the kitchen.. Workable and reusable.Streak free. Lint free.Composition: 75/25 blend of Polyester and PolyamideWeight Range: 26g/pcStandard Size: 16cm diameter