This listing is for one x 297mm x 210mm (A4) paper sized sheet of either 3mm or 5mm thick genuine cast perspex acrylic. This listing contains 8 different coloured sheets listed below all of which are tinted and can be seen through, ideal to act as a filter for lighting use. Colours are from left to right top row left 923 Grey, 4401 Red, 7703 Dark blue, 504 Brown. Bottom row left to right 7704 Pale Blue, 300 Amber, 2202 Yellow, 6600 Green. Our material is genuine perspex branded sheet which comes with a 10 year guarantee, with a protective film on both sides, this material is suitable for use indoors and outdoors. We also have listings for this material in 5mm thick panels. We also stock various other standard panel sizes and offer a cut to size service so we can quote for the panel you require, thus causing less waste and only charging you for the material supplied. We can also offer CNC routering service, laser cutting, diamond & flame polishing, line bending and fabrication. Cast acrylic is manufactured with a tolerance of +/- 10% of its thickness. We have a cutting tolerance of +/- 1mm.