1. No waste: special-shaped automatic sliding design, no jamming, leak-proof and splash-proof, easy to unload. Simple, perfect for your pet. 2. Safe material: Equipped with clear acrylic, these mess-free bird feeders are safe and , allowing you to monitor food levels and replenish them in time. 3. Automatic feeding: The bird feeder can automatically feed your pets, saving you time and not letting your pets starve to death while you are out working. 4. Easy to install: Our automatic feeder is easy to assemble yourself. It can be easily attached to the birdcage using just screws and a small piece of acrylic. Suitable for square birdcages. 5. PERFECT CAGE SIZE: Perfect cage feeder for all small birds such as parakeets, starlings, lovebirds, cockatiels, canaries and other similar sized birds. Colour:Transparent Material:Plastic Package Contents: 2 * feeder 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.