Like new - only used a few times. Heats bottles and baby food. Stainless steel and plastic. Securely fastened lid protects from leaks and spills. Easy to use: (1) Pour boiling water into the insulated thermal container and securely fasten the lid. (2) When ready to use, pour the water from the thermal container into the lid. (3) Place bottle into hot water to warm. Once warm, remove the bottle.