APPLY TO - Widely used for lanyards, drawstrings, luggage, clothing, backpack, shoelace, laundry bag, jackets, hats, storage bags, hammocks, tents, outdoor, gym products, and other use.SPECIFICATION:Color: BlackMaterial: Plastic, MetalTotal Size: 27 x 21 x 6mm/1.06" x 0.83" x 0.24"(L*W*H)Cord Hole Size: 11 x 6mm/0.43" x 0.24"(L*W)QUANTITY INCLUDED - 25pcs x Plastic Cord Locks:ADVANTAGE - Made of plastic, durable and lightweight; The tough internal spring is built for long-lasting performance, flexible enough for easy use.INSTALL: To use the cord lock, insert both ends of the cord into the ¼-inch hole forming a loop that is adjustable by moving the cord lock.Note: Please according to the thickness and width of your cord to choose the proper cord lock.