1.    Mainly made of plastic,aluminum and steel

2.    ABS top board,easy to clean

3.    Four columns

4.    A means:aluminum columns,B menas:plastic-steel columns

5.    Raised-edge design

6.    Cenrralized lock

7.    Double sides tray,within 50 units(5*5*2)medication cassette bins

8.    1 big drawer

9.     Guard rail

10. Plastic-steel column

11. Two dust baskets

12. Luxurious noiseless casters(two with brakes)