Features: It is a professional chin strap buckle suitable for any helmet. It can can keep your helmet stably and avoid it from shaking when riding motorcycle. A safe, fast and convenient way to securing your helmet. Features speed clip, quick release performance. Economical and practical, high reliability. Easy install to your helmet. Specifications: Condition: 100% Brand New Material: Plastic Color: Black + Red Type: No.11 Buckle Size(L x W x H): 50 x 25 x 15mm/2" x 1 x 0.6" Package Weight: approx.40g