Come and see our amazing products. This product is Made from machine washable neoprene; no need to worry about accidents and overflow inside and outside the handbag because you can easily wash and dry naturally.According to the content and external temperature, the food is kept cold (or insulated) for up to 4 hours; the longer the food cooling time, the longer the cooling time,This lunch bag is reusable, very durable, dirty, tear resistant and water resistant while being light, so it will not increase your load,Neoprene material allows lunch bags to expand to accommodate a variety of food and beverage containers with a flat bottom that can be placed upright.This tote bag packs beyond your imagination but is still able to fold flat to take up less space. Pls confirm further with us if any query about packing info, inventory status and time schedule.