PET backing, high strength, long Good flatness, for wet and dry sanding Special sand planting technology can prevents clogging and bonding effectively Applicable to different curved surfaces and lacquer finishes Colour:As Shown Material:Polyester film Package Contents: 100pcs x sandpaper 100Pcs x 5Inch 120 Grits Sanding Discs Only the above package content, other products are not included. Note: Light reflection 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.