MYFULLY 100 Pack 21 Ring Plastic Comb Binding Spines | 3/8 Inch Diameter, 55 Sheet Capacity, A4, Black Binding Comb (3/8" (55 Sheet Capacity))

MYFULLY 100 Pack 21 Ring Plastic Comb Binding Spines | 3/8 Inch Diameter, 55 Sheet Capacity, A4, Black Binding Comb (3/8" (55 Sheet Capacity))