Survival Whistle with Keychain Brass High Decibel Emergency Whistle for Outdoor Camping

Feature: 1. Made of high‑quality brass (including the copper ring), it is novel, stylish and compact, and with exquisite craftsmanship. 2. Each whistle comes with a key ring that can be attached to your keys or backpack, and is easy to use. 3. The EDC whistle is waterproof and can be used in dry and wet conditions and can be used for a long time. 4. This thick solid brass emergency whistle is suitable for survival and self‑defense in outdoor camping, hiking, mountaineering and other sports. 5. It can provide 100 decibel, which can be heard for far distance, also great choice for referee and coaches. Specification: Item Type: Outdoor Survival Whistle Material: Brass Product Color: As Pictures Shown Length: Approx. 47mm 1.9in Diameter: Approx. 10mm 0.4in Thickness: Approx. 1mm 0.03in Product Weight: Approx. 16g 0.6oz Material Characteristics: Brass will have a color change process due to oxidation, and different colors will have different visual aesthetics. After oxidation, it can be polished with sandpaper or wiped with toothpaste, and the color of the copperware can return to the original new state. Scope of Application: Outdoor survival, self defense, EDC player collection, etc.. Package List: 1 x Whistle