1.Dimension: Set of 4 collapsible silicone containers Includes one of each size for the value: Small (350ml), Medium (500ml), Large (800ml), and Extra Large (1200ml). silicone food bowls are the perfect solution for your different food storage needs. You can take these collapsible bowls as lunch boxes, leftovers container, or meal prep container. 2.Collapsible Space-Saving Containers: The silicone food bowls set can be collapsed to 50% their original height for maximum organization. whether in kitchen or camping, or RV travel, they will fits into your kitchen cabinet, backpack, luggage case! These collapsible food container will become your lunch helper in your trips! 3.Snap Lock and Airtight Lids: Our snap lock and silicone rings on lids create an airtight vacuum space that will keep your food secured and fresher longer. Leakproof design makes them perfect for food storage in indoor, work, camping, hiking, travel and more. 4.Premium Silicone Material: These collapsible bowls are made of food grade silicone. They are unbreakable even they fall down on the ground. Each collapsible container is great to keep dry or wet foods like snacks, cereal, oats, sugar, fruits, vegetables stay fresh.