As a waterproof , wear tested and air tight container. This device can be clipped easily to key chains, handbags, golf bags or put it in a carry bag. This item can be used for holding pills, tablets, capsules or even small notes, fishing hooks, etc. This seal bottle with a hanging chain is a survival and pill box container as an first aid emergency holder. Come visit our store to see more. Make sure to use the code FIRSTORDER for a 10% discount.