This set contains four silicone containers in total, including two 240ml and two 400ml ones that allow you to store fresh homemade food for baby so that you can prepare food in advance or go on an adventure with your little one. The containers are graduated to help you measure babys food and the surface is rewritable for more practicality. The containers are guaranteed 0% bisphenol A, plus the silicone material is very safe, strong and heat resistant, which allows you to use it in the microwave, freezer or oven. The silicone containers are stackable and foldable (two levels) to save room in your cupboards or in your maternity bag. Lid clips on for perfect airtightness. Dishwasher safe. Pack quantity 4. For ages 5 months and over. Manufacturers lifetime guarantee.