Our silicone lid/cover is not a one size-fits-all and is specially designed to be compatible with Crockpot 6 quart 8-in-1 multi-use express crock programmable slow cooker (in stainless steel). Our lid creates an air-tight and water-tight seal compatible with Crock Pot inner pots. Made from thick, heavy-duty, high-quality, durable, food-grade silicone, our lids do not contain BPA or phthalates. Our lid is dishwasher, freezer & microwave-safe with a non-stick finish. If the lid seems too tight at first, please try soaking in hot water. This is a generic product manufactured and distributed by Impresa Products. Any other brands mentioned are for illustrative purposes only and are in no way affiliated with Impresa Products, nor do they endorse Impresa Products