The built-in ant moat blocks crawling insects and the patented Nectar-Guard tips on the feeding ports prevent bees, wasps, and other flying insects from feeding at the ports. These two patented features combine to make the Ultra the most insect-proof feeder on the market. Nectar Guard tips included. 4 feeding ports. 12-ounce capacity. Built-in ant moat. Easy cleaning and filling. Hang or post mount. Raised flowers divert rain. Drip and leak proof. Lifetime guarantee.