The D’Addario Eco Ukulele Strap line is an eco-friendly soundhole hook style strap made specifically to support all Ukuleles with a standard soundhole. The full line is made from an Eco-Friendly fabric, made from recycled water bottles, and is super comfortable while also being super durable. The hook is made from a soft rubber that will not harm or scratch your ukulele but is strong enough to support the weight of the instrument. Color: Black • MFSKU 19UKE00 • UPC 019954263485