This bird feeder is manufactured from transparent durable plastic with a tapered roof; 3 suction cups on the back to secure onto a window; feeder tray with lip to provide an ideal perch for birds while feeding, plus drainage holes in the base to ensure rainwater can escape to prevent food becoming waterlogged. * Dimensions: Width: 20cm Depth: 8.5cm Height: 16.5cm * 2 Year Warranty - With a dedicated Customer Service Team committed to providing peace of mind from our door to yours.