【Heabety】 Multifunctional Brass Emergency Survival Whistle Portable Keychain Outdoor Tools Training Whistle For Camping Hiking

Features:The whole made of high quality brass (including copper ring), novel design, fashion small, full of materials, exquisite technology.After polishing through advanced pickling process, can effectively protect the whistle, not easy to scratch, and oxidation resistance.The interesting thing about brass is that it changes color process due to oxidation.Different colors will have different visual aesthetics.After oxidation, you can use sandpaper to polish or wipe with toothpaste, which can make the copper color return to the most initial new state.Scope of application:outdoor survival, self-defense life saving, EDC player collection, etc.Specification：Product Name: Handmade EDC Brass WhistleMaterial: BrassDimensions :(L)41.5mm×(diameter)10mm×(wall thickness)1mm（2x0.39in）Packaging: Single opp packAccessories: Copper ringPackage includes：Brass Whistlex1Note:1.Due to the different monitor and light effect, the actual color of the item might be slightly different from the color which is showed on the pictures.2.Please forgive 1 cm 0.39 -3 cm 1.18 measuring deviation due to manual measurement.