4 Pack Aluminium Safety Whistles, First Aid Whistles with Keyring Chain for Sports Referee Hiking Camping Climbing

• Well made: the pipe is made of aluminium with a polished finish and an anti-oxidation coating, which is solid and durable.
• ✅ Emergency survival: bring one with you while doing outdoor sports such as hiking, camping and climbing. It can be used to call for help in the event of an accident.
• ✅ FOR ANY EXERCISE: It is suitable for training pets, football, basketball, football, hockey, lifeguard or other exercises etc.
• Portable: This aluminium whistle is small and portable and has a key ring that can be attached to a lanyard or key.
• Loud: light but reliable. This whistle is loud enough and can be heard over long distances.

Feature: - Sturdy aluminum body with key ring Rely on quality and safety. - Not only suitable for emergency camping, hiking, boating and other outdoor activities, but also for referees, coaches, lifeguards, dog training, school sports, competition, etc. - Length 4.7cm × Diameter 0.9cm (total length 6.8cm), small and light but very loud over long distances. - It does not contain cork pea balls to avoid unsuitable use after moulding and freezing. - There are 8 different colours of whistles - black, blue, red, purple, green, silver, gold, lake blue. Box contents: 4 x whistles.