VALUE SET CONTAIN DIFFERENT SIZE - Set of 4 silicone collapsible containers fit for different needs and different people. Your can use the small one (350 ml) for your daily healthy snack, the medium one (500 ml) for your kid's meal, the large one (800 ml) and the extra large one (1200 ml) for yourself or your significant others. SAFE MATERIAL WITH PREMIUM QUALITY - The food storage box is made by food grade BPA free silicone that is non-toxic, tasteless, odorless, non-stick and easy to clean. The material has a temperature tolerance range from -20C~220C. And they are microwave safe, freezer safe and dishwasher safe. PRACTICAL DESIGN FOR DAILY NEEDS - The collapsible thin bin design shrink down the size more than 50% when the meal prep box are not in use. They are foldable stackable and the space saving feature can help you to save your kitchen cabinet space and keeps your cabinet in organize. The airtight lids keeps your food in fresh and the air vent is great for convenient microwave heating. ALWAYS READY FOR YOUR LEFTOVER - Comparing with old fashion heavy glass containers, those space savers are light weighted and easy to carry. You can always bring one of them with you, and start to protect our earth by using your reusable leftover container instead of a one time plastic bento box. Why the new Silicone Collapsible Food Storage Container Set is a must-have accessory in your kitchen? Silicone Collapsible Food Storage Containers are designed for your needs. The set contains 4 containers in different size can fit most of your daily needs. The collapse it thin bin design lets you fold those containers when they are not in use. It can save you more than 50 percent of space compared with the full size. The high-quality material has a large temperature tolerance, and the air vent is the lids are made for quick microwave reheat. In other words, the product is ready for the freezer- microwave- dishwasher process. Its hassle-free to use, its hassle-free to clean, and its hassle-free to storage. Compare to an old fashion glass container, the silicone containers are lighter and smaller. Its perfect for a small kitchen, RV, camping, and carriers daily. Use maintenance: Use a non-corrosive cleaner to clean your container. It can last longer. Avoid against your container to sharp projects. Avoid push or heavy pressures when your container is full. Pull up the air vent before you start to microwave your food. Put the lids on and store them in your cabinet to avoid ashes and dust when they are not in use. Food Grade Silicone Easy Hand Cleaning Dishwasher Safe Microwave Safe Freezer Safe Leak Proof Salads, soups, stews, and saucy pasta dishes never leak. Perfect Design Must pull up the air vent valve on the lid before heating. Our snap on lids create an airtight vacuum seal. Microwave oven The Siliocne Food Storage Containers can withstand up to 220C, suitable for microwave heating. Refrigerator preservation The Food Storage Containers can be stored in a refrigerator at -20C to keep your food secured and fresher longer. Color: green, red, yellow, blue Size: 12x6.5cm, 14x6.5cm, 16x7cm, 18x7.5cm Product Included: 4x Folding Bowls