E PAPER BACKING: The thickened E paper backing distinguishes sanding sheet from others in the market; it will not easily tear or wearout during workHOOK LOOP DESIGN: The popular hook and loop design allows for quick fitting; together with durable the Nylon Buckle back, you will have no trouble in getting your work done quickly and nicelyHIGH QUALITY MATERIAL: the grains are made from calcines abrasive durable aluminum oxide grain, making that the most suitable grains are matched with grits of different gradesLONGER DURABILITY: the high-strength resin bond system increases the service life of sandpaper packs; the strength test of flannel tensile is over the standard value 1.47NColor: RedShape: SquareSize:Approx 93 x 186mmGrit: 40 60 80 120 Backing: E paper backingNumber of Holes: 8 HolesAbrasive Grain: Aluminum OxideBacking Technique: Hook and LoopSpecifications Tolerance: +/- 1 mmNotes: This sandpaper is for dry sanding, please do not use it for wet sanding.Please store the sandpaper packs in dry and ventilated places. Humidity will harm its service life.Package Contents:25* sandpaperOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.