Disposable lunch boxes have different materials and characteristics. How to distinguish safer disposable lunch boxes?
01Look at the hardness and smell
You can smell it, don’t choose if there is a clear pungent odor; you can pinch it, inferior disposable lunch boxes are easily torn, and the hardness is not strong enough, and the food may even burn the lunch box .
02Avoid low prices and three no products
Try to choose a slightly higher price disposable lunch box made of polypropylene. Polystyrene is not as stable as polyethylene, and the relative risk is higher. You can see if there are relevant certificates of conformity, and don't choose some unknown Sanwu products.
03Look at the appearance
Do not choose brightly colored and too dark disposable lunch boxes. Brightly colored and too dark disposable lunch boxes may conceal the original color of the lunch box. And pay attention to whether there are impurities and mildew on the surface of the lunch box. Such a lunch box may be a "refurbished" product made from waste plastic.
04Look at the safety signs
Have you noticed that there will be some transparent protrusions on the disposable lunch box, which are safety signs and are divided into 1234567 levels.
Currently, the packaging boxes on the market are mainly 1, 5, and 6, which are generally safe.