Alpine Corporation 18" Glass Birdbath with Colorful Parrot Paint Finish. 4-LITER WATER CAPACITY: An 18" diameter bowl with 4L capacity provides a sanctuary for all types of birds and allows multiple birds to congregate at once along the sides of the basin. VERSATILE DESIGN: The Bowl can also be filled with birdseed to turn it into a feeder. DURABLE AND LONG-LASTING: The glass bowl provides years of quality outdoor use and pairs perfectly with Alpine's metal stand KPP160 (not included) for an impressive display. IDEAL SIZE AND ONE-YEAR WARRANTY: Measures 18"L x 18" W x 3"H, and it includes a one-year manufacturer's warranty from the date of purchase.