GBC Comb A4 21R 16Mm Blue (100), Blue, 145 sheets, Polyvinyl chloride (PVC), A4, 100 pc(s) GBC Comb A4 21R 16Mm Blue (100). Product color: Blue, Maximum capacity: 145 sheets, Material: Polyvinyl chloride (PVC). Quantity per pack: 100 pc(s)