... weight:30g,40g,49g,51g,53g 2. Material: PP (imported from Korea, safe, non-toxic, environmental) 3. Size: square ... plastic food container has high quality which are made from the best material PP, they are perfert for any meal ... and any occasion,microwave safe ,PP is the best choice in food service ,they are widely used ... in supermarkets, planes disposable plastic food container with the lid