* H62 Brass * Size: 2.40*0.47 inch * Material: H62 Brass. Non-toxic, compact, indestructible and durable. * Only single chamber but enough to hold your one-day pills or many other small items, like fishing line, firestone, etc.. * Screwed with rubber O-ring, it provides a good seal to make it 100% waterproof, and the screw-cap arrangement means it won't open accidentally.