The emergency bivvy xl is the larger version of emergency bivvy, the xl is big enough to shelter two people.Its bright orange color makes it easy for you to be noticed in emergency situations.You will also stay warm and dry with its waterproof and windproof material that reflects 90% of body heat.It includes a rescue whistle that you can use to signal for help and a tinder cord that can be used to start a fire.Color: OrangeSize: XLFunction: Warmth