Features 1、ZINC ALLOY MATERIAL: Lanyard string cord toggles are made of zinc alloy, not easy to break and rust, can be used for longer time. 2、SPRING LOADED DESIGN: Shoe lace toggles stopper features a spring loaded design that provides great flexibility for quick use release, keeping your rope tight and secure. 3、EASY TO USE: Simply thread the pull rope through the hole and tighten to secure. When you need to adjust the length, simply release the rope lock. 4、APPLICATION: Cord lock end toggle is suitable for lanyards, drawstrings, luggage, clothing, backpacks, sportswear, shoelaces, laundry bags, jackets, hats, organizers and other uses. 5、CONVENIENT AND PRACTICAL: With its simple and user friendly design, the metal spring cord lock has become a must have tool for daily life, meeting your diverse needs. Specification Item Type: Metal Spring Cord Lock Material: Zinc Alloy Uses: rope lock plugs are widely used, suitable for drawstring shock cord, umbrella rope, clothing, marathon running shoes, sweatpants, hoodies, elastic shoelaces, hat clips, glove locks, pet backpacks, purses, canvas bags, drawstring bags, fitness products, tire covers, tents, camping replacement parts items and more Package List 30 x Spring Cord Lock