Double hole cord lock: each toggle stopper measures 22 mm/ 0.866 inch in length; Each hole diameter: approx. 6 mm/ 0.236 inch, fit most types of drawstrings and cordsDurable cord lock stopper: made of firm and sturdy POM plastic, lightweight and not easy to break, can serve a long timeSpring loaded design: make the locking cord job become easier, can keep your cord tight and secure, help to stop the cord or drawstrings from slippingApplication: these spring cord ends can be applied for lanyard, luggage, shoelaces, clothing, backpack cords, hoodies drawstrings, tents, sportswear, drysuits boots, etc.Package content: 20 pieces black cord locks for drawstrings, cord, bungee and more; Note: small items, not suitable for children under 3 years old",