Solid Brass Survival Whistle with Opener,EDC Emergency Keychain Whistle for Hiking Life Saving,Camping Climbing Pet Training (Whistle)

Product Features: 1.Material: solid brass 2.Length:2.36" 3.Outer diameter: 0.39" 4.Weight: 20g Package: 1 x whistle with opener 1 x keyring 1 x gift box What is solid brass ? --- Nothing beats the durability of solid brass construction. --- Corrosion resistant.It is highly resistant to corrosion even in sea water and chlorine. --- Precision machining plus fine handwork. unique appearance and simple design. Why choose us ? We specialize in high quality solid brass made products. We attend to every detail from a user's perspective and strive to make the most beautiful and highest quality product. That means 100% user satisfaction - period. Warm Tips? The color of the brass whistle changes slowly and constantly due to oxidation,so you can enjoy different beautiful apperances as time goes on,such as SHINNING and VINTAGE. Want it go back to shinning status? Just wipe it with a little toothpaste or vinegar for 1 minute,will make the solid brass whistle re-shine as new.