3 in 1 Emergency Whistle Survival Tool Camping Sports Hiking Whistles W/compass Thermometer Army Green - ONE ITEM COLOR MAY VARY Includes: Compass Diameter: 3/4in. Survival Whistle / Thermometer / Compass Green Body; Comes with Lanyard Great for camping, hiking, hunting, fishing, boating, outdoor activities, travel, emergency/survival kits, etc.