Survival Emergency Paracord Bracelet with Whistle, Compass, Thermostat, Fire Starter Bracelet Wrist size: 7-8" Total Length: 9" x 0.75" Unraveled size: 10 Feet of 550 Parachute Cord Built-In Whistle, Compass, Fire Starter, Thermostat super strong cord can be used for tourniquets, lashing, securing, splints, trapping, fishing and dozens of other survival uses.