Feature:just need water will remove permanent and stubborn stain;eco-friendly new light material ;great helper for your household cleaning, really magic sponge! Commendatory uses: Glasses, mirrors (uncoated), ceramics, enamel, stainless steel, and non-glossy plastics, office equipment(except screen) etc Non-commendatory uses: Resin type products, coated surfaces, car exteriors, woods, lacquer wares, absorbent surfaces, glossy plastics, screen etc. Price term :fob shanghai , cnf, cif; t/t Size:12*7*2.5cm Density:about 9 kgs/cbm Package:1p / polybag Color:white