This space saver set contains 1 x 100ml, 1 x 260ml, 1 x 520ml, 1 x 950ml, 1 x 1.6L, 1 x 2.5L and 1 x 4L nestable storage containers. When not in use these containers nest inside each other dramatically cutting down on storage space. Lock & Lock's clever patented system uses four individual locking hinges and a silicone seal to make them 100% air and watertight. Perfect for storing food in the fridge or freezer or transporting between home and work. A large range of styles and sizes are available to choose from. BPA free. Freezer & dishwasher safe. Microwave safe (reheating only).