RHINO A4 Blue Paper Refill Pad 100 Page 7mm Squared (Pack of 36)This high quality RHINO A4 refill pad includes 100 blue pages, each ruled with 7mm squares. With pages suitable for writing on both sides, this paper pad is ideal for solving mathematical problems and for science work, to do lists, graphs or even mind maps. The tinted paper is specially designed with the right shade to help reduce and relieve the symptoms of visual stress, such as tiredness and headaches.