Join the plastic free movement and start using these fun, Stasher Reusable Sandwich Bags. They are perfect for snacks on the go, leftovers, travel size toiletries, stationery, and much more. Shipped in assorted colours. Stasher is freezer safe, but use caution carrying and storing liquids. It should be okay to fill the Stasher bag with liquid and place it upright in the freezer.