?? PREMIUM US FDA APPROVED BPA-FREE SILICONE. ? Our silicone lids are made of Food Grade , no odor ,BPA Free high quality platinum silicone material, not cheap rubber or TPR material. We have sent our silicone lids to do FDA test by SGS and it's approved. Odor/Mildew/Stain/Resistant - Won't Rust/Crack/Chip. Safe for your family.;?? SUITABLE for ALL SMOOTH SURFACES! ? Plastic, Glass, Stainless steel, Melamine, and Ceramic. Creates an airtight, watertight, and spill proof seal for reheating and storing.;?? ECO & BUDGET FRIENDLY- ? Great for reducing food waste by preserving leftovers in the refrigerator.Use again & again & quit use of wasteful aluminum & plastic wraps. Save money on aluminum foil and plastic wrap - Use these reusable lids to cover your bowls, pots and pans.;?? 1 YEAR 100% MONEY BACK GUARANTEE. ? We guarantee you will get a minimum of one year of solid use from your new silicone lids. If, within the first year, you are not completely satisfied with your purchase for any reason, just let us know and we will refund you all your money, no questions asked.;?? FITS MOST SIZE CONTAINERS! ? 4 inch 6 inch, 8 inch, 10 inch and even an extra large 12 inch. The 4 inch and 6 inch are perfect for coffee mugs, cans and wine glasses. The 12 inch lets you cover your largest pots and serving bowls. And the 8 and 10 inch sizes are great for everything in between: mason jars, cereal bowls, mixing bowls and more. Microwave, StoveTop, Oven, Fridge, Freezer Safe. Withstands temperatures from -40 degrees C to 250 degrees C (-40 degrees F to 500 degrees F)