Product description Sealing plug design Buckle design Soft and resilient, smooth interiors and easy to clean Leakproof and dustproof About this item Nice Combination: you will receive 4 sets of collapsible bowls with lids, namely 16 pieces in total, 4 pieces of each set, including 2 sets round ones and 2 sets square ones, which are suitable to store food and reheat leftovers; They can be applied as storage and organization accessories for kitchen, indoor and outdoor activities, and the nice combination and adequate quantity can meet your daily use and replacement needs 4 Different Sizes: each set of collapsible food storage containers comes in 4 different sizes with capacity of respectively 12 oz, 17 oz, 27 oz and 40.6 oz, with diverse sizes to better meet your needs for food storage under various conditions and keeping food fresh; You can use it to store lunch, cereal, salads, vegetables, fruits, leftovers and so on in the refrigerator Safe and Reliable Materials: collapsible bowl for rv is made of quality silicone, safe and odorless, reusable and serviceable, which are easy to clean and can be applied in microwave oven, refrigerator and dishwasher, temperature range: -40°C(-40°F) to 230°C(446°F); Please do not heat the lid in microwave oven Space Saving: the food containers with lids are collapsible and stackable, which are convenient for you to carry around, bringing you a lot of convenience, and you can fold the container to 1/3 of its original height for easy storage without taking up too much space in your kitchen or cabinets; The quality sealing ring as well as leakproof and dustproof buckle can well keep your food fresh Wide Range of Use: the silicone collapsible food storage containers can be applied indoors and outdoors, such as kitchen food storage, outdoor t