Smart Storage Flat Stacks BPA Free Silicone, Collapsible Storage Containers (Yellow, Purple, Orange, Blue, Set of 4) FULLY COLLAPSIBLE - You'll save more than double the space in your kitchen and keep your cupboards tidier than ever 100% AIRTIGHT AND LEAKPROOF - Your food will stay fresh for longer, saving you money on shopping, and no cleaning up mess accidents SAFE FOR MICROWAVES, DISHWASHERS, AND FREEZERS - Made from durable silicone, they're long lasting, easy to clean, and BPA free SO VERSATILE - Great for food prep, storage, and as a packed lunch box, you can use them expanded or fully collapsed to store ood and save space in the fridge, freezer or a backpack INCLUDES FOUR MEDIUM CONTAINERS - 11.8 x 8.3 x 6.4cm 350ml, 15.1 x 9.3 x 6.4cm 540ml, 17.2 x 10.7 x 6.4cm 800ml, and 20.2 x 10.7 x 6.4cm 1200ml