Catalog number: BSOR0003B Features: ●Can be used as a normal buckle in normal times, and as a whistle in emergencies. ●Remove the buckle and it becomes a whistle. Specifications: ●Name: Whistle buckle chin strap ●Color: Black ●Width (mm): 15 ●Height (mm): 8 ●Length (mm): 250 Material/Finish: ●Polypropylene (PP)
