The outer layer is made of thick wax canvas fabric, and the interior layer is made of high-quality Insulated materials by hot pressing to avoid dripping and heat insulation. This lunch bag is specially made for you who love a simple life. There is no extra design, but it can fully meet your needs for lunch and snacks. It can be reused with confidence and will not burden the earth. It is enough for you to load breakfast, snacks, sandwiches, fruits, and water bottles you need. Anti-kraft paper design brings a retro luxury fashion sense, and strong fabrics and rigorous workmanship make this lunch bag durable. Not only suitable for work and school, but also for recreational activities such as picnics, traveling, hiking, and fishing. Bring this Insulated bag and your lunch will be complete.