This Gremio bag is made from a material you can rely on every day. It is constructed from high-quality, water-repellent material. So, if you happen to get caught in an unfortunate rain shower or set your cooler bag down in a small puddle, you can be sure that your food will remain intact. In the case of a small puddle, you can trust that the dirt-repellent material prevents unwanted dirt from sticking to the bag.