2 Pack Replacement Lids for Pyrex 7201-PC 4 Cup Glass Containers Mixing Bowl Sil
100% Food Grade Silicone: Differ from other plastic lids, these silicone lids are made of high quality silicone material. Our Silicone lids are dishwasher safe and freezer safe. The lids withstand temperatures from -104℉ to 446℉ (-40℃ to 230℃).