This newly upgraded outdoor bird bathtub features a 5 -pronged thickened metal base plug as its core, firmly embedded in the soil and remaining stable even in strong winds and heavy rain. The solid iron integrated frame is treated with a black powder coating, which is resistant to sun exposure, rust and corrosion. Its load-bearing capacity and service life far exceed those of plastic or resin models. The 12 in. wide-mouth disc is 2 in. deep and can hold more water at 1 time. If a solar fountain is added, it can be refilled for a long time without water replenishment. The water surface will sparkle and instantly turn the garden into a water playground for birds. Tool-free 60-second quick installation, detachable steel rims, easy to lift and rinse, keeping water clean at all times and protecting the health of birds. The elegant black appearance goes well with any garden style. It can stand alone as a scenic spot or complement flowers, plants and strings of lights. As a gift for relatives and friends, birdwatchers or nature lovers, it allows them to listen to the clear chirping of birds and encounter the colorful little visitors in their own courtyards all year round.