Package includes 10 PCS metal cord locks, can meet your daily use and replacement requirements. The cord locks end stopper with elastic bungee cord can be used for sportswear, luggage, pants closures, shoe, backpack, pack drawstrings, clothing, arts and DIY jewelry and other crafts projects. The double hole cord locks are mainly made of alloy, strong and durable without knotting. (Note: small parts, not suitable for children under 3 years old.) Stop string cord locks in 2 color, light black, silver. Size: 0.98x0.31inch/25x8mm; 0.20inch/5mm, as the picture shows. Spring loaded design make it convenient for locking cord and keep the cord tight and secure. You can move up and down without much effort, fasten the rope quickly and securely and convenient for daily use.