Bluemoona 20 PCS - Empty Plastic Wire Spools Bobbins ROUND ENDS For Various Size Cord Ribbon (BLACK) Sizes: 60mm(2 3/8") X 60mm(2 3/8") Color: BLACK Material: Plastic Quantity: 20 PCS Use For: Various Size Cord Ribbon, Such As Storing String, Cords, Ropes, Wires, Ribbons, Chain, And Many Other Items.