This is a practical B5-size graph paper notebook with 5mm squares, containing 30 sheets. Available in 4 colors: light purple, navy, yellow-green, and light blue. Set of 4 notebooks. - Type: Graph paper notebook - Size: B5 - Number of pages: 30 sheets - Grid size: 5mm Made in Japan, purchased at Ito-Yokado. This is a notebook often used by elementary school students. I had some in stock, but I no longer need them, so I'm selling them. Will be shipped via anonymous delivery Mercari service.