The Adventure® First Aid Series is designed for the softer, but equally exciting adventures of family camping, day hiking, bicycling, and canoeing. The 0.5 Tin is compact in size, space saving, supplies to treat cuts & scrapes. Signal whistle to help you to be found. Group size: 1-2 people. Trip Duration: 1-2 days. Size: 4" x 3" x 1.25". Weight: 3.5 oz.