?Loud volume?: MUIIGOOD double-tube whistle is extremely loud and easy to blow. Sound power provides up to 120 decibels, enough to be heard at long distance.
?Premium Quality?: Made by aluminum alloy material, strong and durable,small and lightweight
?Easy to Carry?: with key chains and hanging ropes, so it can be tied to backpack, belt or hanging around the neck.
?Multipurpose?: Emergency survival whistle is suitable for outdoor activities such as hiking, fishing, camping, boating, hunting and also for lifeguards, pet dog training.
?Service Guarantee?: MUIIGOOD Product includes a 45 days money back & 12-month worry-free guarantee?If you have any questions. Any questions need to be consulted, please feel free to contact us.