Beeswax Sandwich Bags, set of 2, 18 x 18cm, zero waste pattern. Natural - Reusable - Compostable. An all-natural alternative to single-use plastic. These food-safe sandwich bags seal by using the warmth and pressure of your hands to create a breathable seal. With proper care and use, these bags can last 6 months to 1 year. Made from 100% organic cotton, natural beeswax, tree resin and coconut oil. NOT for use with raw meat, fish or acidic foods.