food container and lid:1.Using high-tech food grade plastic, removing exceptional plastic odors; 2.Hold the intensity of 250 times of glass;3.Keeping original shape between -40?~135?; Microwave oven and refrigerator can all be used safely;4.Have used transparency of glass 90% of the materials.5.Steady to the acid,alkaline,oil,alcohol of the food.No influence to the color and the taste of the food.