Portable High Frequency Loud Double Hole Emergency Whistle with Keychain (golden)

With grt airflow design, it can sy to whistle and make a loud, clr sound Double hole design, grt loud sound, to sprd further Through the polishing and pickling process, which can effectively the post, and not sy to scratch and oxidation Descriptions: The is a aluminium alloy whistle, you can use it when you are in a extreme environment or in a state of emergency that you can use less effort to blow the whistle to call for help. Through the polishing and pickling process, which can effectively the post, and not sy to scratch and oxidation.This survival signal whistle, grt for outdoor sporting events, camping, hiking, boating etc. Ftures: 1. With grt airflow design, it can sy to whistle and make a loud, clr sound. 2. Lightweight, with a keyring that is convenient to carry. 3. Double hole design, grt loud sound, to sprd further. 4. CNC NaMachined, exquisite workmanship. 5. Through the polishing and pickling process, which can effectively the post, and not sy to scratch and oxidation. 6. Apply to outdoor survival, self- ion, life-saving and collect. Specifications: Material: Aluminium Alloy Color: Golden, Silver (optional) Size: approx. 5.6 x 1.5 x 0.8cm / 2.2" x 0.59" x 0.31" Package Weight: approx. 11g Quantity: 1pc Package Included: 1 x whistle