The Adventure Medical Kits SOL Bivvy XL is a larger emergency bivvy that provides shelter for two people. Its bright orange color enhances visibility in emergency situations. The bivvy is constructed from waterproof and windproof material that reflects 90% of body heat to help keep occupants warm and dry.Key FeaturesReflective Material: Reflects 90% of body heat to retain warmth.Included Accessories: Comes with a rescue whistle for signaling and a tinder cord for fire-starting.