Penn-Plax Pizza Tweets mineral treats help contribute calcium and minerals to complement your bird’s diet. The fun and whimsical pizza shape is designed to encourage the natural pecking instinct while trimming and conditioning the birds beak. These also provide a fun way to play or interact with your pets while giving them a great-tasting treat! These treats add variety to your pet’s diet and are a fun way to hand-feed your pet, or they can be placed directly in your pet’s feeding dish. Pizza Tweet measures 5” (Dia) x 0.6” (H). Daily treats are good, but should not exceed 15% of your pet’s diet. This product is intended for intermittent or supplemental feeding, and is for pets only. They’re not for consumption by humans or farm animals.