MOCKING BIRD guitar belts for acoustic guitar Polyester ; heat transfer designs, lightweight ; moisture resistant ; tri-glide 2" Inch Wide, adjustable length 39" to 58" Inches for optimal fit ; non-slip, durable, comfortable, easy to attach leather ends Compatible with a variety of guitars including acoustic, bass, electric ; designed to work with all strap lock systems ; a genuine gift idea for any guitar or music enthusiast. The guitar belt acoustic has a strong sliding lock, fully adjustable from 38-64 inches, suitable for adults and children. A heavy duty plastic buckle is very solid to adjust the strap length to your instrument size. High quality PU leather ends are environmentally friendly and durable to hold your instrument safe and secure.