SE - Pill/ID Holder With Keychain - Small, Assorted Colors, 6 Pk
These little containers are made of lightweight stainless anodized aluminum and air/water tight sealed with a rubber o-ring. Will never rust or get corroded. Comes with a plastic internal container for added security. Length is 2-1/8" including the key ring. You get 6 of them, one in each color as presented in the photo.
They are great for: