1. materials: The is made of durable and safe materials, which are environmentally friendly, hard, reliable, wear-resistant and not easy to damage. 2. Firmly Fix: Each has 2 strong suction cups for firm fixation. Never worry about loads that aren't securely secured anymore. Easy to control. 3. A comfortable resting place: The Bird water feeder provides the food and water the birds need. They are comfortable habitats for small birds. 4. Transparent design: The transparent design of the suction cup is convenient to view and put in proper food and water at any time. 5. Sufficient capacity: The sink of the window has a capacity, which can provide enough water or food for cute birds. And it's easy to clean and refill. Colour:As Shown Material:plastic Size:About 20x10x6cm Package Contents: 4 * water feeder 8 * suction cup Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.