black binder clip: 1. 15, 19, 25, 32, 41, 51mm...binder clip 2. free sample 3. custom design packing are welcome black binder clip:1. 15, 19, 25, 32, 41, 51mm...binder clip;2. ideal for promotional gift or use at home or in office;3. free sample;3. custom design packing are welcome.4 .free sample. black binder clip