Emergency Bivvy/Survival bag is to be carried for emergencies. If you're forced to spend an unexpected night outdoors, the EMERGENCY BIVVY sack will keep you warm and dry. This bivvy sack reflects 90% of your body heat back to you, and protects you from wind, rain, and snow.
Material: 26um mylar
Feature: emergency whistle attached
Package includes: 1 pc of Emergency Bivvy