Size: 4 PACK Material : 100% food grade silicone, BPA free. Size : Lids are 2.55", can be stretched to 3.5". it can fit most can top. Package Included : 1 * Pack of 4 stretch can lids. Feature: 1: Due to the elastic and stretchable material, these stretch can lids can expand to fit many sizes of containers, and then contract to create a strong hold. 2: These Can lids fit most canned dog and cat food, like small cans 3 oz, medium cans (5.5 oz, 5.8 oz, 6 oz) and large cans (12.5 oz, 12.7 oz, 13 oz, 13.2 oz, 14 oz) 3: Not only fit for pet canned food, but also fit for many people's food cans such as soups and veggies, jar, cups... 4: Ours have been thoroughly tested, These pet food can lids are made from a stronger material that won't tear or slip off 5: Easy to clean and dishwasher safe Please Kindly Note: If you have any problem about the Pet Can Lids, or not happy with the purchase for any reason, please feel free to contact us by Email, your fullest satisfaction is our top priority. COMTIM always at your side to serve you.