b5 upturn loose spiral notebook notebook book detachable simple black good-looking notepad a4 squared notebook student

b5 [inner pages with horizontal lines]] b5 [page with grids]] b5 [blank inner page]] a4 [inner pages with horizontal lines]] a4 [page with grids]] a4 [blank inner page]] a5 [inner pages with horizontal lines]] a5 [page with grids]] a5 [blank inner page]]

black cover/60 sheets/book [1 pack]] thickened 60 sheets/black [2 pieces]] thickened 60 sheets/black [4 pieces]]