Perspex cast acrylic transparent colour sheets perspex 600x400x5mm7703 if you want to add the wow factor to your signage or are looking to customise your vehicle this perspexreg transparent blue sheet will help do the job perspexreg transparent colour sheets can be used in a whole spectrum of applications from automotive and marine glazing to signage and displays where colour and transparency are key to the design perspex cast acrylic sheet 600 x 400 x 5mm transparent blue