Food Grade Silicone [SAFE, PREMIUM, DURABLE]The 4 PCS collapsible bowls with lids adopts high quality high-grade silica gel, vacuum sealing, no BPA, non-toxic, tasteless, better cracking or degradation than plastic material, and resistant to pollution and odor, superior to silicone collapsible tupperware containers. Save money and protect environment. These collapsible mixing bowls is the perfect solution for food storage in different kitchens and rv accessories storage containers. [MICROWAVE, FRIDGE, FREEZER & DISHWASHER SAFE] Keep the temperature at - 20 to 200 there is no need to replace the microwavable bowls with lids. Just pour the rest of the food into the collapsible food storage containers with lids and put it in the fridge again. No wasted space, no extra containers, no extra washing. These collapsible kitchen items Work As indoor and Outdoor Food Storage Containers, RV Storage Solutions, Camping Kitchen Accessories, motorhome accessories for inside. [VALUE PACK] Our round bowl sets for kitchen with lids, including elegant, fashionable, compressible, stackable, space saving and reusable. These silicone storage containers work well as far as regards sealing, and they collapse easily. A nice selection of sizes which are a lot easier to store than the glass style, each size: small (350 ml), medium (500 ml), large (800 ml) and extra large (1200 ml). [CONVENIENT DESIGN] Our snap on lid of collapsible food storage can form an airtight vacuum seal, which can ensure your food is safe and reliable, and keep fresh for a longer time. Equipped with a vent for microwave heating and four convenient sizes, it is ideal for preparing meals or lunch boxes. Leak proof design of the collapsible containers food storage makes it very suitable for work, camping, hiking, travel, etc. [QUALITY ASSURANCE] The flat box stacks collapsible storage containers sets are BPA-free, Food Grade Silicone - the good choice for long-term health We not only provide exquisite products, but also provide good after-sales service. We value every customer's shopping experience. If you have any questions about the purchase, please feel free to contact us. We will reply within 24 hours.