【Fit Replacement Cover】: Storage cover lid for 7 1/4” Diameter Pyrex bowls 7-Cup/ glass round bowl/ storage containers. BPA free. 【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. 【Fully Leak Proof Design】: They will tight fit reduces leakage, provide a secure seal to keep your food airtight to lock in freshness. 【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. 【100% Food Grade Silicone】: Differ from other plastic lids, these silicone lids are made of high quality silicone material. The lids withstand temperatures from -104℉ to 446℉ (-40℃ to 230℃). Freezer safe and Microwave safe. Replacement Lids for Pyrex 7402-PC 7 Cup, Silicone Round Storage Cover Lid for Anchor Hocking Glass Bowl 2 Pack with Date Mark Turquoise