What you will get: The package contains 50 spring cord locks and 1 elastic nylon shock cord, the size of the spring cord lock is 25*16*5mm (length x width x hole diameter), the length of the elastic cord is 10m, the quantity is sufficient, the size Fit, enough for your daily needs and easy for your daily replacement. RELIABLE QUALITY: We made the spring cord lock with high quality plastic and the elastic cord with good nylon, which is durable, wear-resistant and can be used repeatedly for a long time, so you can buy with confidence. PROFESSIONAL DESIGN: Our product has been carefully designed with spring cord lock design, plastic single hole toggle for easy locking of cord ends and helps keep cord tight. Versatile: Our products are suitable for a variety of different drawstrings and types of ropes, such as: elastic ropes for clothing end drawstrings, lanyards, luggage, backpacks, tents, sportswear, shoelaces, trouser buttons, etc., also for camping A good helper for hiking, emergency survival accessories in the wild. EASY INSTALLATION: The slot of our spring cord lock is wide enough to allow the bungee cord to slide easily, making it very convenient to use. Plus, it's compact and flexible, making it easy to store and carry, even when you're out and about.