A. Waterproofness: Owing to precision processing and silicone O-rings, the medicine box is waterproof, which helps prevent the medicine from getting damp. B. Material: It is made of aluminum alloy, which makes it sturdy, durable and rust-proof. C. Easy to carry: It has a diameter of 2.1 cm, a height of 7.9 cm and a weight of 36 grams. It can be put in your pocket or hung on your backpack. D. Free combination: The sturdy medicine tube consists of three compartments, and the size can be flexibly adjusted as needed. Each compartment can hold: - 2 size 00 capsules - 3 size 0 capsules - 4 size 1 capsules A better waterproof medicine box Do you find it troublesome to carry medicines when going out? Have you found water in your medicine box during a trip? For this reason, you may need this waterproof medicine box keychain! The medicine box is precision processed, and each compartment is equipped with a silicone O-ring. You don't have to worry too much about the medicine box falling into the water. Sturdy aluminum alloy material Made of such materials, it is durable and less likely to be damaged. It is quite suitable for travel, camping and daily commuting.