WANYIG 2 Pack Emergency Whistles Loud Safety Survival Lifeguard Whistles Durable High Frequency Double Tubes for Ourdoor Hiking Camping Climbing

Details

• Material: Stainless steel, strong and durable. Size:5.7*1.8*0.9cm.
• Louder Sound,double tubes can provide up to 150 decibels,can be heard at long distance.
• Good Environmental adaptability - The whistle has no built-in pea ,so it will not mold and breed bacteria because of the pea.You can use it in any dust or dirty water environment
• It be hung in a backpack and a key chain in everyday life, worn or knotted. Suitable for children, the elderly or women.
• If you have any questions about our products, please do not hesitate to contact us by Email.