Model:
11''    28*16*18cm
12''    31*17*19cm
13''    34*18*20cm
14''    36*19*21.5cm
15''    38*20.2*23cm
16''    40.5*21.7*24.1cm
can be made of pigskin, leather or aluminum alloy. It is used for family health care and doctors' visiting patients, which has small cases inside