Medicine pill box capsule key ring - aluminium

Waterproof. Aluminium. Lightweight. Compact. Discrete. 
Never forget your medicine again when you have left home. 
2 options:

1) one compartment pill container 

Internal diameter 7.3cm length x 2.1cm width. 
External diameter 8.0cm length x 2.5cm width. 

2) seven compartment pill container ( one for each day of the week)

2.5cm width x 18.5cm length.