YMXING Survival Bracelet Flint Fire Starter Scraper Whistle/Gear Kits,Green Material: Polyester & Stainless steel Function: Whistle, Flint Fire Starter,Gear Kits,Detachable make Ropes,decorations and so on. Whistle Buckle Paracord bracelet with Flint Fire Starter, Scraper can be used as knife Length of the bracelet: 24.5cm/9.65