CAN COVERS. We've all experienced it....the blast of pet food smells when you open the refrigerator door. Here's the solution. PET BUDDIES can food covers not only look great, but they keep food fresher longer, and keep the "aromas" where they belong.A Perfect Fit for Tall and Short Cans, come 3 to a package. Colors: Blue, Aqua, Lime Green or clear (not shown).