Teflon surface, non-stick and durable• No microwave, no batteries or electricity required, environmental and safe• Defrost frozen food with less time than the natural thawing method, quick and easy• Grooves designed on the surface, free from breeding bacteria Teflon surface, non-stick and durable• No microwave, no batteries or electricity required, environmental and safe• Defrost frozen food with less time than the natural thawing method, quick and easy• Grooves designed on the surface, free from breeding bacteria .Main Features:• Teflon surface, non-stick and durable• No microwave, no batteries or electricity required, environmental and safe• Defrost frozen food with less time than the natural thawing method, quick and easy• Grooves designed on the surface, free from breeding bacteria Teflon surface, non-stick and durable• No microwave, no batteries or electricity required, environmental and safe• Defrost frozen food with less time than the natural thawing method, quick and easy• Grooves designed on the surface, free from breeding bacteria