soda can.  The waterproof, windproof material reflects 90% of body heat while sealed seams keep out rain, wind, and snow. Start a fire with the tinder cord included on the stuff sack. The bright orange is
highly visible, and the rescue whistle signals for help. Use the SOL Emergency Bivvy as a sleeping bag or a blanket to ensure you stay warm until help arrives. 

• Lightest Emergency Bivvy on the Market
  The lightest emergency bivvy on the market weighs a mere 3.5 oz. and stuffs down to smaller than a 12 oz. soda can
• Rescue Whistle
  Signal for help with the attached rescue whistle
• Bivvy Sack Tinder Drawcord
  Start a fire with the tinder drawcord on the included stuff sack
• Emergency Sleeping Bag or Blanket
  Use as a sleeping bag or inside out as an emergency blanket.
• 90% Heat Reflectivity
  Stay warm and dry with the waterproof and windproof material that reflects 90% body heat.