This listing is for sheets of 3mm & 5mm thick 9T20 Grey tinted genuine cast Perspex acrylic sheets. They are 3mm or 5mm thick and can be ordered from 100mm square up to 400mm square. 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. Our material is all cut from new stock and 99% of the acrylic we supply will be cast sheet manufactured by Perspex and supplied with the Perspex protective coating on both sides. Acrylic sheet has many uses in many sectors be it in the home, office, place of work, schools, offices & shops often used for point of sale displays, exhibition stands, shed windows, kitchen & bathroom splashbacks, project & coursework, secondary glazing, boat windows, wall art and signage clear sheet is also listed in our store. We can also offer CNC routering service, laser cutting, diamond & flame polishing, line bending and fabrication. For advice with any of our products please contact us through eBay communication centre. Cast acrylic is manufactured with a tolerance of +/- 10% of its thickness. We have a cutting tolerance of +/- 1mm.