DALAETUS 4 Pcs Double Tube Metal Emergency Whistle Set, Super Loud Survival Whistle with Keychain and Lanyard, Outdoor Emergency Survival Whistle for Camping Survival, Boating, Hiking (Gold+Silver)

【Set Includes】You will receive 2 silver emergency whistles, 2 gold emergency whistles and 4 black lanyards, which can meet your camping and hiking survival needs. 【Sturdy and Durable】The emergency whistles are made of aluminium alloy, lightweight and durable,and can withstand the challenges of harsh environments, so that emergency whistles can be used steadily for a long time. 【Waterproof】Emergency whistle has excellent airflow design,and can be used in all-weather, rainy days, wet weather and other environments. 【Safety】 The survival whistle is an important safety equipment for outdoor activities. When you encounter an unexpected situation, the survival whistle can send out an emergency signal to attract the attention of people around you and help you get rescued in time. 【Widely Used】The emergency whistle is suitable for camping, hiking, backpacking, fishing, boating, kayaking, sea games and other outdoor activities, and can also be used for dog training.