b5 hand-free loose spiral notebook middle school students special removable coil notebook a5 thickened college student notebook

b5 [grid inner page] a5 [grid inner pages] b5 [blank inner pages] a5 [inner pages with horizontal lines] b5 [inner pages with horizontal lines] a5 [blank inner pages]

jet-black, 1-pack whitening, 1-piece pack 1 refill (without pp casing)