Portable insulation bag student waterproof small rice bag thickened rice bag feature: Made of cationic oxford thickened aluminum foil, it will keep your food fresher than ordinary plastic lunch boxes. Big enough for lunch box, drinks and fruit. Safe zipper design, smooth opening and closing, convenient for work carrying and storage Suitable for work, school, travel, shopping, and can also be used for shopping bags, cosmetic bags, etc.; Suitable for all groups, including men, women, girls, boys and children. For adults who carry drinks and food, it fits perfectly in your lunch box, snack or even protein bottle. Specification: Material: Oxford cloth + heat insulation material. Size: Approx. 23x20x14cm/9x7.9x5.5in packing list: 1 lunch bag notes: Due to different monitors and lighting effects, the actual color of the product may be slightly different from the color shown on the picture. Please allow slight measurement deviation due to manual measurement.