Check the listing for details. 25 Pcs Plastic Spring Cord Lock, Double Hole Toggle Round Stopper, Black. Color: Black, Condition: New. Listed at 10.17 USD. Description:Durable Material: The cord lock is made of nylon material, durable and lightweight, has good wear resistance, is not easy to break and rust, long service life without fading.Fashionable Colors: The stylish colors and looks can be used as a decorative element of clothing or equipment to add aesthetic appeal.Easy to Use: Installing and using the rope lock is a snap. Simply press the button at the top and the spring mechanism releases, allowing the rope lock to slide up and down on the rope with ease. If the button is released, the spring will activate and the rope will lock into place.Multi-functional: Our double-hole cord lock can be used with many kinds of drawstrings and cords, saying goodbye to loose, tangled ropes.