Description: MATERIAL: Made of plastic, it is sturdy and not easy to break, you can use them for a long time. DESIGN: Easily slide over the ear cord with a soft adjustable buckle that holds the face cover securely to the wearer. Can be used by adults and children. Easy for you to adjust to meet the tightness requirement. MULTIPURPOSE: Can be widely used for face scarf, home decoration or belts, laces, hair bands, necklines, shorts, skirts, sleeves, tights, headbands, laces, wigs, diaries, hats, bags, and a variety of outdoor and gym products. FEATURE: Locking cord for convenient use. easily move up and down; It can be attached to drawstrings and tightens without the use of knots. handy & very easy to adjust the required tightness for use it PACKAGE INCLUDES: 100 pcs cord adjuster(Random Color), Widely for DIY making, and craft project supplies. Specification: Material: PVC Package Includes: 100 Pieces Cord Locks Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!