One Pill Box with 28 Compartments. Keep your pills ad your vitamins super organized in just a few minutes for the entire week. If you are travelling for a day or more, simply take the compartments for the days that you need. The entire unit measures 7″ x 4.5″ x 1″ and the compartments measure .6″ x .6″ x .9″. Each day is a different color, so you can identify what you need quickly.