High-quality material Cord locks are mainly made of durable hard nylon plastic and feature a spring-loaded design, can be used to lock the cord and make the cord firmly.Convenient and durable Plastic rope locks secure and lock loose and easily movable shoelaces or ropes. The thread will not slide or stretch due to the clamp, ensuring a firm and secure fixation even without knots.Double hole design The cord stopper has a double hole, great for use on sweat pants or hoodies to keep from losing the drawstring and to tighten the drawstring as well. Spring-loaded design to keep your cord tight and secure, Easy to install and use.Wide range of uses Can be used stoppers on clothing such as jackets, track pants, laces, boots, hoodies, pullovers, uniforms, hoods; Outdoor and sporting goods such as backpacks, tents, festivals, camping, or when hiking.Multiple colors You will get 60pcs spring cord locks, enough quantity for your daily using and replacement. You can choose the best match lock with your clothes from the 6 colorful cord locks.