Reusable Durable Expandable Food Save Cover for Various Size Bowls Cups Pots Keep Food 7PCS Silicone Stretch Lids <p>Food Grade Material--High quality food-grade silicone materials, non-toxic soft texture, identify by FDA and LFGB safety certification, sustain the temperature from -40 ℃ to 240 ℃,can be safely used in dishwasher and refrigerator.</p> <p>Versatile Size--7 sizes to fit most sizes of bowl, cup, dish or pot, whether they are round or square . No need to throw away food storage containers which have lost their lids anymore!</p> <p>Perfect Seal--Air Tight, No Spill. These round food saver lids are stretchy enough to create an air-tight seal which keep your leftover food fresh in the freezer, and you can even use them to cover your half-cut melon</p> <p>Save Money--the silicone stretch cover lids help you save money for using wasteful aluminum foil/plastic wrap/saran wrap to cover leftover food fresh everyday!</p> <p>Insulating-Silicone stretch lids are very good insulators. They do not conduct and they can be heat tolerant up to 450 degrees Fahrenheit. This makes them perfect for fry pans, microwaving and much more.</p>