Dear Sir/Madam, Urgently requireLaser Safe Rubber Sheets for Creating StampsSpecifications:- Thickness: 2.3-3.00 mm- Size: A4- Hardness: 60° Sh A ( +/-5°) /20°C- Colour: Blue, Yellow, Red, Black, Grey.Non-toxic rubber sheets that are specifically used to create stamps on a CO2 laser machine.