Functional Design:Our bird baths come with a couple chains, it can be used as either a bird feeder tray or a hanging bird bath . Also a bird seed catcher tray.This way you can get a Bird bath & a Bird feeder, which makes the price even better. Pay the same price you can get two items.Bottom Drain Design: The holes on the bottom are big enough to let the rain through, but not too big the seeds fall out. It cankeep seeds dry.Reliable Quality: Our hanging bird bath for outside are made from a hard resin plastic. They are very sturdy and durable,are unbreakable in any weather condition. It is easy to clean because of its smooth surface. You can spray with sink sprayer, water hose or power washer when dirty. This bird bath for outside hanging will last for years to use.Perfect Size:Diameter is 12", depth is 3"; It's big enough to hold a large quantity of bird seeds. Attracts all size birds, a variety of beautiful birds, including Cardinals, Chickadees and Finches. Birds will like it, as big size enough to allows bird to walk and peck.Easy To Fill : Easily hang the bird feeder on a tree branch or railing; Easily fill the bird seed into the feeders. And it's easy to remove the water tray for regular cleaning to help combat a variety of avian diseases that can be spread at feeders.Update: The chain of our bird feeder hanging outside adopts new painting technology, which will not rust when used outdoors.