Double walled, Inner Chamber S.S. Outer M.S. Duly Powder Coated S.S.PUF Insulated, Temp. Range 5°c to 60°c., Cooling Compressor.Copper Cooling Coils Welded throughout on the Outside of the S.S. Chamber.Body Mounted on sturdy Angle Iron Frame with Caster wheels for easy mobility. Temp. Is controlled by Digital Temp. Controller.