Item Type: Lens Processing Sticker Material: Plastic Function: To ensure that the lens will not move during grinding and processing, to ensure the interpupillary distance and the axial position are more accurate, to ensure that the lens will not be crushed by the equipment during the grinding process, resulting in mould explosion as well as reducing processing errors. Package List 1 x Lens Processing Sticker 1Firmer Fixing: The double sided lens processing tape enables firm fixing without slipping, largely improving the processing accuracy. 2Better Design: Ensuring strong adhesion and no residue, the transparent lens protection tape will not affect the light transmission. 3Practical Use: Suits perfectly for surfaces that are sensitive to adhesives or glue residues such as glass, lenses, acrylic and more. 4Reliable Work: Protecting the mould layer from being crushed by the equipment during lens grinding and reducing processing errors. 5Easy Carrying: Comes with a light weight and a compact size, the long length tape can be conveniently carried for flexible working.