- NOTE: These lids are compatible with Pyrex and Anchor Hocking MODERN custard cups, and will NOT FIT THE OLD VERSION! Please measure the diameter of your custard cup before purchasing. - INCLUDED IN BUNDLE: The package includes 4 packs of silicone lids specially designed for Pyrex and Anchor Hocking 6oz Glass Custard Cups, ensuring a perfect fit to its size. (Custard cups are NOT included.) - FOOD-GRADE SILICONE: Made of food-grade silicone, our silicone covers are odorless, non-toxic, and BPA-Free, ensuring food safety. Compared with fragile plastic lids, our silicone lids will not crack or deform over time of use! - AIRTIGHT DESIGN: Precision-engineered to snugly fit tightly on your Pyrex and Anchor Hocking Custard Cups, preventing leaks and spills. The strong airtight seal also keeps food fresh and prevents flavors from mixing, maintaining food organization. - STACKABLE DESIGN: With a flat and sturdy surface, these silicone lids for food storage facilitate versatile food storage, allowing for easy stacking to keep your kitchen and fridge organized. - MICROWAVE/FREEZER/DISHWASHER SAFE: Withstanding temperatures from -104℉ to 446℉ (-40℃ to 231℃), these lids for glass containers are microwave, freezer, and dishwasher safe. No deformation, even under high heat, and it is easy to clean for your convenience. 4 PCS Silicone Replacement Lids for Pyrex and Anchor Hocking Glass Custard Cups 6oz, Silicone Lids for Food Storage, Food Cover, Dishwasher Freezer Microwave Safe (Containers NOT Included)