INSULATED LUNCH BAG: This colorful lunch bag is made of 4mm thick neoprene materials, keeps food cold or warm for up to 4 hours, to stays fresh and taste. This reusable lunch tote keeps you from throwing away paper and plastic bags every day, protects the environment. LARGE CAPACITY: The dimension is 11.8""L x 6""W x 11.8""H. It fits most of your lunch containers, and it's foldable while no use. This large lunch bag is enough to carry your lunch boxes, snacks, fruits or drink. HEAVY-DUTY ZIPPER: We had tested so many zippers to got the best one. With smooth zipper, our neoprene lunch bag is guaranteed to give you years of daily use, it's super easy to open and close