- Exterior: Durable polyester; Interior: PEVA; Imported. - The innovative Classic Lunch Box features an all-in-one cooling system, eliminating the need for separate gel or ice packs. - Freezable gel is embedded in the walls, keeping your food fresh and chilled for hours after just one overnight freeze (12 hours). - Perfect for packing healthy items like fruits, veggies, and cheese, making it an excellent choice for individuals with special diets or food sensitivities. - The spacious zippered opening allows for easy top-loading, ensuring quick access and efficient packing while locking in cool, dry air. - A convenient buckle handle lets you attach the lunch box to backpacks, messenger bags, or gym bags for on-the-go use. - Features an exterior mesh side pocket, ideal for holding an 8oz water bottle, utensils, napkins, or snacks, along with a zippered pocket for ID cards or tissues. - Constructed from non-toxic poly canvas with a food- and water-resistant lining, this lunch box is safe for all users. - Designed without harmful materials such as PVC, BPA, phthalates, formaldehyde, or lead, ensuring peace of mind with every use. - Easy to clean: simply wipe the inside clean and remove stains from the outside. - The Classic Lunch Box is designed in California by the creator of the ORIGINAL collapsible, reusable lunch bag, ensuring quality and innovation. - Ideal use scenarios include school lunches, office meals, or picnics, making it versatile for daily needs.