Rainbow Spectrum Board is an uncoated matte board that is available in a number of various colours, sizes and pack types | Rainbow Spectrum Board is a great art and craft product | Perfect for a number of creative project types and the larger sizes make them a perfect product for creating posters and large presentation pieces | Ideal use in art and craft projects, card making, signage and invitations | Acid free | Available in 19 colours | Pack of 100 sheets