This case prevents accidental pill case opening by its unique slide secure lid design that locks pills in place.  Use the case together or separate it into pieces to take an individual day's worth of pills with you.  Each compartment holds up to 20 pills and mesures 1 1/2 in long x 1 in wide x 1 in deep.  Overall case measurement is 8 in long x 1 3/4 in wide x 1 in deep.  Made of study white plastic with blue sliding lids.