1. Safe material - Made of food-grade silicone, the inner wall is super smooth, non-greasy and easy to clean. 2. 4-piece set - A set of 4 foldable silicone containers with different capacities. From storing dry food to wet food, from leftovers to meal preparation, from indoors to outdoors, this versatile set is the perfect solution for your different food storage needs. 3. Foldable - The food container can be folded to 1/3 of its original size for maximum storage and organization, saving you a lot of space. It can be put into almost all kitchen and pantry compartments, cabinets or drawers. This silicone container set is perfect for camping, hiking, lunch boxes, leftovers, takeout or meal preparation containers. 4. Practical design - The sealed lid makes it perfect for offices, classrooms, camping, road trips and more! The carefully designed transparent snap-on lock lid has a breathable hole for easy microwave heating. The transparent food container can hold different foods, which is convenient and beautiful, and containers of different sizes can meet different needs.