SAFE AND TEMPERATURE RESISTANT - The product is made of 100% FDA compliant, non-toxic, BPA free food grade silicone. They are odourless and tasteless, non-stick, leak-proof and easy to clean. Ideal for storing leftovers in the fridge and microwave safe when you are ready to enjoy your meal. Just put them in the dishwasher when you're done with trouble free cleaning. MULTIFUNCTIONAL AND VERSATILE - Good tightness, collapsible lunch container can be used in the refrigerator to store leftovers, fruits, vegetables and food crunchier. Used in a pantry to store cereal, oats, sugar and powder. It is the indispensable portable lunch box for office staff, children or outdoor workers with an attractive appearance, safe and healthy. From the freezer to the microwave, these bags have the amazing ability to switch from very low temperatures to very high temperatures. You can freeze from -40 C and heat to 392 C. You can also use the bags to cook Sous Vide. Don't be fooled by cheaper PEVA material bags. You can't heat your food in PEVA bags! Snap buckles & leak-proof - 1 snap buckles and vacuum seal strip on the lid create an airtight vacuum space inside that keeps your food fresh for a long time and protects it from hot weather or insects. Ideal for storing dry or wet food such as cereal, fruit, vegetables, baby food. Vacuum sealing strip inside and all very well matched parts guarantee a high level of tightness. Soft silicone material and space-saving Bileumec foldable food storage containers with lids are made of high-quality food grade silicone material, soft and unbreakable. So don't worry about your children falling them to the floor. This collapsible food storage container is collapsible to save 60% space for maximum organisation. Fits in almost all kitchen and storage compartments or any cabinet or drawer.