【PRACTICAL SIZE】Unfolded size: 5.6" x 5.6" x 2.6", 27oz/800ml. This round collapsible food storage containers with lids are great for adult, family or single. Set of 4 pack. 【SPACE-SAVING】Annaklin kitchen collapsible storage containers round made from food grade silicone material, SOFT and UNBREAKABLE. No worries about fragility. Collapsible design helps save space almost 60%. Fits into almost all kitchen and pantry compartments or any cabinet or drawer. 【MICROWAVE, FREEZER AND DISHWASHER SAFE】Temperature tolerance of the kitchen circular collapsible storage containers for food is -4°F~428°F/-20°C~220°C. Microwave safe and freezer safe. Warm Reminder: Must pull up the air vent valve on the lid or remove the lid before heating. Dishwasher Safe. Just pop them in the dishwasher top layer when you are done for hassle-free cleaning. 【SAFE TO USE】4 Snap buckles and high grade silicone seal ring on the lid create a safe space inside that will keep your food fresh for a long time and protect them from pollution from hot weather or insects. Customers' experience: When attaching lid make sure to only push in side tabs. Don't press down on the lid, or the container may collapse and contents spill. 【MULTI-FUNCTIONAL 】These round collapsible storage containers can be used in the fridge for conveniently storing leftovers, fruits, vegetables. Used in a pantry to store cereal, oats, sugar, powder. This collapsible containers can also be use as lunch box for outdoor workers. When you planning a camping, hiking, traveling or a picnic, it is great to take these collapsible plastic food storage containers to take foods. The options are endless. Annaklin Collapsible Food Storage Containers Round with Airtight Lid, Kitchen Stacking Silicone Collapsible Meal Prep Container Set for Leftover, Microwave Freezer Dishwasher Safe, Blue, Set of 4, 27 oz