Flutterby Butterfly Feeder. Easy to fill and clean, the Flutterby holds 12 ounces of nectar, has accommodations for fruit, and can be hung or post mounted. The high-impact polycarbonate casing is leak and bee proof and has a built-in ant guard moat. Place this feeder near your garden or by a window and watch the action as these magnificent flyers feed and bring joy to young and old alike. The Flutterby is designed for years and years of use. Weight: 1 lb.