... ,green,yellow,red,white,clear Size:6mm-51mm avaliable 21rings,84rings and other Notebook for PVC Plastic Binding Ring CombApplication:It ... ,25mm,28mm,32mm,38mm,45mm,51mmColor: Clear, black, white, red, blue, yellow, green, etc.Variety: 19 rings, 21 rings ... 42rings, 76rings, 84rings, etc.Regular specification for 21 Rings Plastic Binding Comb: SizeInchPcs/BoxPcs/CartonCBM/CartonG.W/CartonN.W/Carton6mm1 ...