Material: silica or glass abrasive, double glue glue binder, a-b-c paper backing, open-coated. Application: for smoothing plaster and light maintenance on paints and colors. Garnet sand paper, use surface preparation garnet sandpaper sheets produce smooth finishes on bare woods. Natural garnet mineral fractures during use to produce new cutting edges. Features: Economical DIY product Grits: 36-40-50-60-80-100-120-150-180-220-240-320-400 Sheets: 230*280mm, 490*680mm, customizable dimensions Roll:115mm*5m, 115mm*50m, customizable dimensions, max width for rolls 1170mm. 1pcs/opp bag, 100pcs/carton.