Made out of heavy gague stainless steel sheet. Tank is fully insulated in between top and sides. Fitted with heavy duty cooling unit and thermostat for temperature control. A drain valve is provided for emptying. Mounted on 3″ sizes ball bearing rubber castors for easy mobility. Comes with 6 standard packs (Size 25 x 30 cm), containing special silica gel crystals. Finished bright inside and special paint outside.