... die cutting 1) PropertyMaterial: Slicone rubberColor: Clear, Red, BlackShape: Circle, sheet, squareHardness: 30--70 shore AAdhesive: 3M, TESA, NITTO 2) Features ... the model size. Fifthly, Puching to finnal product with CNC machine. Sixthly, QC checking the finished product. Finally, Packing. 5) Quality ... on. Welcome your OEM. pictures in details: clear silicone rubber sheet