1、EASY TO USE: Easy to die cut, with good adhesion to non adhesive surfaces such as silicone. 2、MAIN PURPOSE: To ensure that the mold layer is not damaged by equipment during the lens polishing process, resulting in mold explosion and reducing processing errors. Ensure pupil distance and more accurate axial position. 3、WATERPROOF PERFORMANCE: With waterproof, shock absorbing, heat resistant, soundproof and other effects. 4、1000PCS: There are 1000 pieces in 1 roll in the package that can be used for a long time and make replacements. Widely used in lens processing. 5、EASY CARRYING: With a small size and a light weight as well, this lens edging blocking pads can be easily carried around for convenient use. Item Type: Lens Edging Blocking Pads Material: PE Width: Approx. 18.5mm / 0.73in Length: Approx. 29mm / 1.14in Color: Black Quantity: 1 roll (1000pcs) 1 Roll x Lens Edging Blocking Pads