The lunch box is also called the crisper, the disposable lunch box, the disposable lunch box, and the like. There are three types of crisper: one is plastic crisper: made of resin material, the general temperature range: the highest temperature 120 ° C, the lowest temperature -20 ° C, one is tempered glass crisper: ordinary glass tempered, the last one The type is a heat-resistant glass crisper made of high borosilicate glass.

As consumers pay more attention to health, people are concerned about whether the materials used in the crisper itself are healthy. Hygienic and safe materials are harmless to the human body, such as PC materials, PE materials and PP materials. The more common storage box materials are PP materials. Plastic storage boxes should not be placed in microwave ovens and ovens because plastics can cause harmful substances in the human body at high temperatures. In addition, the tempered glass crisper may blew itself when it is extremely cold and extremely hot. The most fashionable and green crisper is the heat-resistant glass crisper.

Different shapes store different things and are more convenient to use. In addition to the usual squares, rectangles, circles, and suits designed for picnics, life is easier and more convenient.

Square packing box: excellent sealing performance, suitable for storing food, can prevent odor in refrigerator, suitable for storing various seasonings, leftovers, remaining cans, fruits and vegetables. Easy to use in refrigerators, freezers, microwave ovens, and other uses.

Rectangular packing box: suitable for storing bacon and meat. Because of the water receiving plate, it is easy to store food with moisture. The large-capacity rectangular crisper is suitable for preserving fruits, vegetables and seafood.

Round packing box: suitable for long-term storage of various seasonings, canned fruits, miscellaneous grains, nuts, tea and other foods, easy to use in refrigerators, freezers, microwave ovens. The oblong design is ideal for storing drinks, children's milk and all kinds of cereals, nuts and tea during the wild.

High-barrel packaging box: suitable for storing long-shaped foods such as noodles and cucumbers. Since the height of the high-sized crisper is higher than that of the general crisper, the mold size and mold-removing requirements are high in the processing technology, so the market can produce There are not many manufacturers of high-barrel storage boxes, and there are relatively few products.