Perfect for organizing medications, this 7 Day Pill Organizer features a stack of colored containers that fit together. Each plastic pill container screws on and off for individual use if desired. Containers come in assorted colors for ease of identification - there may be duplicate colors. Assembled length is approximately 5 1/2" long. Individual chambers are 3/4" in length and 1 1/2" in diameter. Comes packaged in a blister pack.