The Ernie Ball PolyLock Guitar Strap features a patent-pending design  that makes it easy to securely attach the strap to your electric guitar  or bass, without the need for modification or bulky hardware. Simply  fasten the Ernie Ball PolyLock Strap to the existing strap buttons on  virtually any electric guitar or bass and you're set. Features black 2"  wide Polypropylene material. Adjustable length from 38" - 67".