Width: approx. 5 cm. Circumference: 85-150 cm. Width: ca. 5 cm. Circumference: 85-150 cm. Material: nylon/metal. The case strap with its carbon appearance goes perfectly with the With its Carbon Optics this case strap is the perfect complement to trolleys and bags. the trolleys and bags. Solid, matt fastener with BMW M embossing for even more stability. Massive, matt buckle with BMW M embossment for enhanced stability. Woven-in BMW M stripes. BMW M stripe woven into fabric. ***** ***** *****