Kokuyo AML NP704DX2 Campus Binder for Notebook B5 2 x Rings, Black, Set of

2x2 ring makes it easy to write on even when bound. Thin binder that works like a notebook Size: B5 (H x W x D): 10.4 x 7.7 x 0.6 inches (264 x 195 x 14 Color: Black. Maximum Capacity: 40 sheets (thickness 0.16 inches (4.0 mm)) [Number of Holes] 4 holes (2 hole rings x 2) Quantity: 2 pieces. Material: Cover: R-PP