Double Layer Design: The inner layer is made of food safety material and has been tested. Non-toxic, no phthalates, no PVC, no BPA, no lead, no heavy metals, no harmful coatings, can greatly ensure your food is safe and healthy. The outer layer is made of cotton fabric. Wide Application: Suitable for work, school, outings. When you pack your bags, they will be used as a snack bag for children to pack their sandwiches at work and ensure that your child is energetic during the trip. Easy to Clean: Dishwasher safe; it can also be wiped and cleaned; grease and moisture resistant, making cleaning a easy. Ideal for school lunches, short trips or cafe lunch breaks. Package Included: The list contains 3pcs of large, medium and small, less plastic bags, less pollution, less plastic bags, more clean; be honored to use an environmentally friendly bag. Environmentally Friendly and Reusable: Unlike paper or disposable plastics, our snack bags can be cleaned and reused over and over again, which is good for the environment while saving your wallet and keeping food fresh.