Reusable: Store snacks and cut down on single-use plastic with our Ellie Reusable Snack Bags.Material: Made from machine washable 210D polyester and has a water resistant coating for easy cleaning! Just toss them in the washing machine and air dry.User-Friendly: Features a durable zip-closure that opens wide for easy access and has reinforced stitching. Three sizes included: Small- 18.5cm (7.2in) x 8cm (3.14in); Medium- 18cm (7in) x 18cm (7in); Large-20cm (7.87in) x 25.5cm (10in)