I have located a source of small water resistant containers. My father-in-law is a diabetic and he has to test his blood sugar several times a day. He uses test strips -- Ultra One touch -- which are in a small capped bottle(smaller than 35 MM film can). He goes through a bottle every 3 weeks or so and he has been saving them for me. They will hold a package of the Coughlan waterproof matches. Also I have a small round tin that my muzzleloader primer caps came in. I think it will hold a couple needles and a bobbin of thread, in addition to being very shiny, could double as a signal mirror.