Whether you're backpacking, mountain biking, skiing, or canoeing, the Ultralight/Watertight .9 medical kit contains the first aid supplies you need in a kit that keeps water and the elements out. You'll travel light and fast with this waterproof first aid kit, designed for multi-sport trips of 1-4 days with 1-4 people. Adventure Medical Ultralight / Watertight .9 Medical Kit | Multi Yellow | Christy Sports