-These colorful Stasher sandwich bags are made of premium-quality platinum silicone, offering a better reusable food storage and travel container. Leak-proof, airtight, easy to clean and endlessly resealable with pinch-press closures, these innovative sandwich bags are great for school, the home office, leftovers and so much more. Also could be used for storage,kitchen storage,food storage,organization,kitchen organization,kitchen tools,kitchenware,containers,storage containers,kitchen supplies,kitchen decor,strong sandwich bags,reusable sandwich bags,reusable storage bags,food safe bags,sous vide. By Cost Plus World Market.570046