Pack of 10 A4 Assorted Coloured Exercise Books with Coloured Book Covers. A4 Assorted Exercise Books: Assorted Colours: Blue, Red, Green, Yellow, Orange, Purple, White, Pink, Brown, Grey. 80 Pages. 8mm Feint and Ruled. Durable 225gsm pressboard cover, 75gsm paper. A4 Assorted Exercise Book Covers: Assorted Colours: Blue, Red, Green, Yellow, Purple. Simply slip the book cover into both jacket flaps for a neat fit protective cover that is weatherproof and wipeable. Non-adhesive and reusable. Great way of colour coding subjects. 110 micron thickness with 50mm overlapping flap. Can be written on with permanent marker or customised with stickers etc.