This defrosting tray is made of aluminum. Aluminum has thermal conductivity and can speed up the melting of food. Large defroster plate defrost faster than small defroster plate, which will save you cooking time. The thaw defrosting tray Thawing Plate is made of conductive aluminum which is an extremely efficient conductor of heat. The defrosting plate defrosts frozen food 8 times faster than at room temperature. It takes about 30 to 60 minutes to defrost most frozen food. Defrosting time varies based on the thickness of the item. Thin food items like burger patties, sausages, and minute steaks are fast to defrost thick steaks and large chicken breasts take longer.Made of non-toxic materials, it is food safe and suitable for everyday use. Food will defrost faster if it is wet with water before being placed on the defrost plate. Integrated gutter prevents food liquids from spilling onto your kitchen worktop, keeping your kitchen clean and neat. Easy to use just place your food on the thawing tray and wait for it to defrost. Its non stick and can be quickly hand washed. The MantraRaj aluminum defrosting tray is also safe and remains cool to touch at all times.