Chef Tech Defrosting and Chopping Board, Fast Defrosting Tray,Defrost up to 65% faster , The Safest Way to Defrost Meat or Frozen Food Quickly Without Electricity or Microwave On this chopping board frozen foods defrost up to ten ti mes faster than on conventi onal surfaces. Thats because the board, with its special sealed surface, is highly conducti ve to heat and cold. Defrosting is so gentle, yet fast, that no bacteria can form. Any liquids that escape during defrosting are collected by the practical juice groove. For further processing of the food, simply click the board into to the non-slip base - the new Easy-Click system makes it very easy. The defrosting board is made of a PTFE-metal alloy. The chopping boards are made of foodgrade polypropylene and are gentle on knives. The defrosting board is cleaned with normal detergents and the chopping boards are dishwasher safe.