Features：The inner lining of the lunch bag is made of environmentally friendly insulating material, and the inside is filled with thick foam insulating material, which can keep food cold/warm/fresh for several hours and provide protection for your containers, food and beverages.s perfect for packing all your food and snacks throughout the day.Men’s and women’s lunch bags are made of tear-resistant and waterproof fabrics, with stitches that are not easy to wear, and sturdy zippers; reinforced seams in the shoulder straps; long-lasting durability for daily activities.The stylish design is perfect for boys and girls who bring lunch bags to the school office, day trips, beaches and sports, or pack healthy snacks for outdoor activities.Material: NylonPackage Content:1* lunch bag Promise:If the product has any quality problems, please feel free to contact us, we will help you solve the problem as quickly as possible.Waterproof Blanket and Full Cutlery Set