Safe and Non-Toxic: These dog food box lids are made of 100% food grade silicone, durable, safe and non-toxic, can be restored with food for a long time without harm, dishwasher safe. Versatile Sizes: Fits 3oz, 5.5oz, 12oz and 13.2oz tin can lids for pet cans etc. Internal diameter : 2.5 inch, 2.9 inch and 3.3 inch. >Excellent sealing: Canister lids keep food fresher longer and keep food sealed odor free in your fridge top rack dishwasher safe Bright and cheerful colors 4 pcs dog and cat food lids mixed colors: Blue, Orange, Green, Pink