Usage Tips:Food Grade Material: This collapsible bowl is made of reusable PP and TPR, strong and heat resistant, you can put them in microwave, refrigerator and dishwasher.You will get three different sizes of camping bowls, diameters: 12cm, 15cm, 19cm, folded heights: 2.4cm, 3.5cm, 3.7cm, very convenient for storing food or going out for camping , hiking, travel, school, work, etc.Sealing: Not only microwave safe, but also resistant to low and high temperatures in extreme weather conditions, the snaps on the lid create an airtight vacuum seal, keeping your food safer and fresher.Space Saving: Collapsible travel camping bowl, you can clip or fold it in your backpack, car, pocket or any small space you want without worrying about breaking it.Wide Application: Collapsible bowls can be used to store snacks, fruits, vegetables, dried fruits, cookies, candies, etc. It is a great tool for camping, hiking, travelling, lunches, picnics.