Titanium Compass Double Barrel Popping Whistle Outdoor Rescue EDC Four Finger Knuckles It is flexible and light

It is flexible and light to wear and can be folded at will

waterproof

Size:120mm×23mm

Net weight: about 6 grams

Size: 120mm * 74mm * 14mm

Titanium Compass Double Barrel Popping Whistle Outdoor Rescue EDC Four Finger Knuckles It is flexible and lightMaterial: Titanium Alloy Length: 5. 4cm Width: 1. 8cm Weight: 26g Compass titanium double tube whistle, this design is with a compass, in the forest hiking or mountain can be emergency rescue, the sound is loud enough, is a double tube titanium alloy, the whistle core is also titanium alloy. Note: Burning titanium color is handmade, each one of the color is unique, the surface is formed by the high temperature of the flame of the titanium alloy color,