First aid kit measures 11 x 8 x 7.5 inches and weighs approximately 4.9 pounds Accommodates 1-18 people for 1-14 days Administer CPR safely with Laerdal PR Mask with O2 valve for protected mouth-to-mouth resuscitation Field-tested, highly durable lumbar pack with oversized easy-access compartments Includes a comprehensive guide to wilderness and travel medicine by Eric A. Weiss, M.D.