Size: Semi-B5/Width 7.0 x Height 9.9 x Thickness 0.1 inches (179 x 252 x 3 mm)
Texture: High-quality paper, 2.0 oz (56 g) per square meter, 30 sheets
Cover: Coated Chipboard
Threadbound spine cloth binding
When it comes to middle school age, the subjects become increased, and the luggage becomes increased, so it uses "air paper" to reduce the burden of your child