Outdoor High Decibel 2 Section Whistle

Quality lies in the details, create excellent products with heart. Selection of high-quality aluminium alloy material, beautiful and practical, high hardness, not easy to deformation, not easy to rust in the humid environment, anti-aging, anti-corrosion. The middle section can be screwed open, waterproof compartment inside, cm can store some notes and other small items, can be used as outdoor survival, training, with a keychain, easy to carry.