MYFULLY 100 Pack 21 Ring Plastic Comb Binding Spines | 1/4 Inch Diameter, 20 Sheet Capacity, A4, Black Binding Comb (1/4" (20 Sheet Capacity))

MYFULLY 100 Pack 21 Ring Plastic Comb Binding Spines | 1/4 Inch Diameter, 20 Sheet Capacity, A4, Black Binding Comb (1/4" (20 Sheet Capacity))