ECO FRIENDLY - Our 600ml food storage container is made of 100% food grade waste plastic. We are using our leftovers for your leftovers. Colours will vary due to the nature of the product. AIR AND WATERTIGHT - This round container for food storage uses the famous LocknLock system. This patented system guarantees a 100% water and airtight food storage container. FREEZER AND DISHWASHER SAFE - Our eco friendly food container are freezer safe so you can plan and freeze your meals for later. They are also dishwasher safe to save you time cleaning up. BPA FREE - The plastic used in our eco food containers with lid is 100% BPA Free. Our eco friendly products are not only good for the family but also great for the environment. LIFETIME GUARANTEE - For your complete peace of mind and because we are so confident in the quality and the durability of these eco friendly food prep containers, we provide a lifetime guarantee.