【Silicone Material】: Unlike plastic lids, these silicone covers are made from top-quality silicone material. They can handle temperatures ranging from -104℉ to 446℉ (-40℃ to 230℃), making them safe for both the freezer and the microwave.
【Easy to clean】: Our Silicone lids are dishwasher safe and freezer safe. Our silicone material is reusable, not easily damaged, Good flexibility and more durable than plastic.
【Unique knob design】: Turn the knob to the date of the day when you put the food in, so that you don't miss the expiration date. The knob marks the storage date so as not to miss the best tasting period.
【100% Fit Replacement Cover】: Package contains 2 pieces 2 Cup, 2 pieces 4 Cup and 2 pieces 7 Cup LIDS. Storage cover lid for 4 3/4" Diameter Pyrex bowls 2-Cup and 6” Diameter Pyrex bowls 4-Cup and 7 1/4” Diameter Pyrex bowls 7-Cup round storage containers.
【Fully Leak Proof Design】: They will tight fit reduces leakage, provide a secure seal to keep your food airtight to lock in freshness.