This orange Mustang Survival Multi-Use Whistle is a versatile tool suitable for various outdoor activities such as backpacking, hunting, camping, and hiking. It features an airtight compartment, a lanyard string, and a whistle, making it easy to use and carry. The whistle has a high decibel output of 112 and comes with a compass, allowing for easy navigation. The material varies, and the unit quantity is one. Please see the item's pictures for more details on the item's length, width, and weight.