Tosca Banock Thread Locks Thread Loops Loop Tags Tag Fasteners Price Tag Strings Both ends are plastic. They can be easily attached by hand, but once inserted, they cannot be removed. - Quantity: 100pcs - Size: 20 cm - Color: Navy Blue ★Additional purchase OK (100 pieces → 450 yen) Please let me know if you need more. Although new, they have been stored by a private individual. Please refrain from purchasing if you are concerned about the purchase date.