Traditionella material
Duk
In the past, such as the 1970s, canvas backpacks were popular and often used as backpacks, as well as a choice for lunch bags. Canvas lunch bags emphasize practicality and lightness, with military green and dark blue as the main colors, reflecting the simple attitude towards life at that time. It has the characteristics of softness, comfort, washability, sun resistance, corrosion resistance, and Antibakteriella egenskaper, men dess styrka kan vara relativt begränsad .
Oxford
Over time, Oxford cloth material began to be applied to lunch bags. Zunyi has a business of customizing Oxford cloth insulation bags for wholesale lunch boxes and lunch bags. Oxford cloth has a certain strength and good durability, suitable for making insulated lunch bags, and can play a role in insulation to a certain extent.
Plast
Plastic materials were also widely used in the production of lunch bags. Common plastic lunch boxes are mostly derived from petrochemical products and are formed through complex polymerization reactions. However, commonly used plastic tableware is mainly made of polyethylene and polypropylene as raw materials. Although recognized as non-toxic plastics by most national health departments, it may not degrade I hundratals eller till och med tusentals år när de kastas i naturen, orsakar allvarlig vit förorening . Dessutom kan plastlådor gjorda av vissa material, såsom polystyren, frigöra skadliga ämnen såsom styrenmonomerer när de utsätts för höga temperaturer eller oljor, som utgör en hälsofara .}}}}}}}}}}}}}}}
Framväxande material
Majsstärkelse
Currently, corn starch lunch boxes are receiving attention as a new type of material for lunch bags. It uses corn starch as the main raw material, and with the help of modern advanced biological fermentation, molding and other processes, it is transformed into a material with certain strength and plasticity, and then processed into lunch boxes. Corn, as a crop, comes from renewable sources and has excellent Biologisk nedbrytbarhet . Det kan gradvis sönderdelas under verkan av naturliga miljömikroorganismer, vilket kraftigt minskar bördan för den ekologiska miljön . Samtidigt, om produktionsprocessen är strikt kontrollerad, är det också säkrare att använda den för att hålla mat, vilket är i linje med nuvarande miljöskydd och catering och catering av 4}}}}}}}})
Stickat material
Under de senaste åren har den stickade fällbara bärbara lunchväskindustrin uppnått betydande utveckling över hela världen . Lunchväskor gjorda av stickade material kan ha egenskaper som mjukhet, vikbarhet och portabilitet, som är lämpliga för moderna människors dagliga behov .
