The Guide I is designed for situations when seconds count. Each color-coded injury-specific pocket contains a wide range of supplies to treat backcountry emergencies on the spot. Component highlights include a Laerdal CPR mask with O2 valve, stethoscope, SAM Splint, Glutose Gel, and a SAM Splint. A 600-denier nylon bag with water-resistant zippers and urethane clear-view windows with -28 C cold crack rating is guaranteed to withstand the toughest environments.