A4 48 page ruled with 12mm lines and margin, 80gsm tinted (blue) paper with a 225gsm cover specially designed for children suffering from visual stress and who find it difficult to write on white paper. RHINO A4 Special Exercise Book 48 Page, with Tinted Blue Paper, F12M. A4 (approx. 297 x 210mm). Ruled 12mm Feint and Margin on Educational Standard Tinted Paper. Designed for children with visual stress. Sturdy and resilient 225gsm manilla cover. Perfect for Home and School. 100% recyclable. Printed using solvent-free, water-based inks. Made in EU.