AIRIGHT & KEAK PROOF - The snap lock system and silicone rubber in the lid makes the container airtight, spill proof and leak proof. Keep, store and move food with ease with containers that keep food fresh for longer. MULTIPLE OPTIONS - These airtight containers come in a variety of shapes and sizes to fit all your storage needs. Includes 3000ml/ 1850ml/ 1100ml/ 540ml/ 230ml. MICROWAVE & FREEZER SAFE - The plastic used is 100% BPA free. Container (not lid) is dishwasher, microwave, and freezer safe. They can be used at temperatures up to 80 degrees Celsius. EASY TO ORGANIZE - They are stackable and fit easily in your fridge, freezer or cupboard, allowing you to organize your kitchen and free up pantry space. GREAT VALUE - Your complete set comes with 5 premium BPA-free jars and 5 lids, allowing you to organize your pantry like never before.