Rubber Pad Sheet for Making Rubber Stamp (RSR15) Laser rubber can be engraved by laser engraver for making rubber stamp. It is smellless and environmental, anti-slip and nontoxic, harmless to human's health. And it is ideal for working with REDSAIL laser engraver. 1) 1.5mm thickness Laser rubber (A4, A3) 2) 2.3mm thickness Laser rubber (A4, A3) 3) 3.0mm thickness Laser rubber (A4, A3) Add to Basket