PACKAGE INCLUDES - 12 PCS Double Hole Spring Cord Locks; Total size: 10 x 28mm/0.39" x 1.1"(D*L); Cord hole Diameter: 5mm/0.2". Great for craft usage, can meet your needs for DIYSPRING LOADED DESIGN - With spring loaded design, it will provide you with a firm grip, help to stop the cord or drawstrings from slipping. A spring loaded cord lock closes bags, hoods, hats, etc. keep your cord tight and secure, without tyingEASY TO USE - The plastic hole cord lock is for locking cord, tightening draw cords on bags and jackets, easy to fit. Great for use on sweat pants or hoodies to keep from losing the drawstring and to tighten the drawstring as wellDURABLE MATERIAL - Made of plastic, durable and lightweight, widely used for lanyard, luggage, clothing, backpack, sportswear, shoelace, tent and moreWIDE APPLICATIONS - Widely used for lanyard, drawstrings, luggage, clothing, backpack, sportswear, shoelace, laundry bag, toy bags, jacket, hat, storage bag, hammock, tent, outdoor, gym products and other use