Made of smooth silky high quality fabric polyester 21 inches in length 1 inch in width 34 inches around neck Detachable snap buckle for easy use Perfect for cell phone, key chain, mp3, camera and id badge holder you can mixed all of them in our stock. we accept mix order,but you'd better choose 10 pcs or multiple of 10 for one model . if you have order listing, please send to me when you pay for it, or we will send them mixed random, thank you !