Features 1. Easy to Use: These metal cord locks are easy to use. Press and hold the button while threading the pull cord through the hole in the lock, release the button once the drawstring is through, then your drawstring can be secured. 2. Zinc Alloy Material: These metal cord stoppers are made of strong and reliable zinc alloy material, which is highly durable and lightweight, not easy to break or deform. 3. Wide Application: These drawstring cord locks are suitable for shoelaces, backpack drawstrings, pet backpacks, pants closures, lanyards, luggage, clothing, gloves, flashlights, sportswear, tents, paracord products, and more. 4. Flexible and Convenient: This double-hole cord lock attaches to drawstrings and tightens without the use of knots, making it ideal for outdoor activities. The double-hole design offers great flexibility and convenience. 5. 30 Pieces: You will receive 30 pieces of lace locks in total. Please double check the size of these cord locks before purchase to ensure compatibility with your application. Specification Item Type: Metal Cord Locks Material: Zinc Alloy Application: Cord locks are suitable for a wide variety of drawstrings and types of ropes. They can be used in various products such as shoelaces, backpack drawstrings, pants closures, parachute cord, and various outdoor and fitness products Product Size: Approx. 17.5 x 15 x 4mm / 0.7 x 0.6 x 0.2in (manual measurement, slight error may exist) Package List 30 x Metal Cord Locks