Bags are made of 100% cotton fabrics & lined with nylon waterproof & food-safe ripstop material. No seems exposed. Top closes with Velcro. To clean you can turn inside out to shake out or wipe with a damp cloth. Wash cold, line dry recommended. Sandwich bag measures very generous 6.5 x 7 - snack bag generous 4.5 x 6.5 Please note that the pattern placement may vary as well as the dotted trim on the top, they are different width for each bag. FL sales tax applies for sales within the state. Thanks for visiting my shop! Feel free to convo me if you have questions or special orders. I’m always happy to help. ALL BAGS ARE READY TO SHIP & made in my pet & smoke free home. Thanks for looking & for making your contribution for a greener environment. Reuse Sandwich Bag - Reusable Snack Fabric Eco Friendly Lunch Bags Waste Free Good Life