A4 48 page ruled with 10mm squares, 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, S10. A4 (approx. 297 x 210mm). Ruled 10mm squares on Educational Standard Tinted Paper. Designed for children with visual stress. Sturdy and resilient 225gsm manilla cover. Perfect for Home and School. Help Save the Rhino with our regular donations to the UK charity over 100,000 since 2006. Market-leading RHINO brand. 100% recyclable. Printed using solvent-free, water-based inks. Paper sourced from sustainable European forests. Made in EU.