<br>Features: <br> <br>Durable material: <br>This collection of whistle, compass, thermometer and magnifying glass is made of ABS material, good quality for its solid, durable and wear-resistant, the scales of the thermometer and compass are clearly visible and easy to read. <br> <br>Tips for usage: <br>The compass can give you right direction, you can use the magnifier to see small things, you can use the whistle to let people know your position, as for the thermometer, it can measure temperature. <br> <br>Applications: <br>This versatile whistle can be applied when you occur an accident or in distress while hiking, camping, climbing, fishing, boating, biking or any other outdoor activities, also suitable for daily use. <br> <br>Thoughtful gift: <br>There are 16 multi-function whistle in one package, it can be a good gift for families, friends and colleagues who like outdoor sports. <br> <br>Specifications: <br>Color: black <br>Size: as the picture shows <br> <br>Package include: <br>16 x Multifunctional whistles