Great for cereal, rice, beans, nuts, snacks and more! Can also hold liquids such as soups, broths and marinades. Perfect for sous vide cooking. Stasher is the revolutionary alternative to plastic bags and containers . The innovative pinch press seal makes this bag airtight and leakproof. Ideal for food, travel, school and more. Made of 100 % pure platinum food-grade silicone, Stasher offers all the ease and convenience of plastic storage bags, but without the harmful effects on the environment.