Description: Made of plastic, durable and lightweight, not easy to break, help to stop the cord or drawstrings from slipping; Can be used in dryer or washing machine. Tightening draw cords on bags and jackets, easy to fit. Great for use on sweat pants or hoodies to keep from losing the drawstring and to tighten the drawstring as well. These cord locks fit a variety of different drawstrings and types of cords. Easy to use, make replaces broken cord locks. Can meet your needs for DIY. Widely used for lanyard, drawstrings, luggage, clothing, backpack, sportswear, shoelace, laundry bag, jacket, hat, storage bag, hammock, tent, outdoor, gym products and other use. With spring loaded design, it will provide you with a firm grip, help to stop the cord or drawstrings from slipping. A spring loaded cord lock closes bags, hoods, hats, etc. keep your cord tight and secure, without tying.