Amumu Brown Diamond Grill Retro Chevron Polyester Woven guitar strap with premium leather ends and a widely adjustable length of 36" to 63" to suit most players. Double layers of materials make the strap more durable and comfortable. The top layer is made from polyester with a vintage jacquard pattern. The back layer is made from nylon. If you only have one bottom strap button on your guitar, the included headstock tie can help you get what you need!