I have tried the Fuji film canisters, and have had a problem with them. I left them in an ammo box that I use for my "car kit." The heat tended to melt the petrolium jelly, and the stuff ran out between the canister and the lid. It made a mess all over the inside of the kit. So I wrapped a layer of electrical tape around the seam to fix this problem.

The Fuji canisters are the clear ones. The black canisters with the grey lids are Kodak. I have not tried those. Any experiences with leaking on those?