Adventure Medical Kits Ultralight and Watertight .9 First Aid KitDeliver quick and effective care for small groups on short outings in the elements with this portable water resistant medical kit. With two stage waterproofing, inner DryFlex bags and an outer seam sealed siliconized nylon bag with water resistant zipper, keep your first aid supplies safe and dry. Stash this 7. 2 ounce kit in a pocket, backpack, kayak, and more for first aid care for groups of up to four people on trips of up to four days. Perfect for