Grateful Gnome - Original Circular Window Bird Feeder - Clear Acrylic House for Small Wild Birds Like Finch and Chickadees Allows Close-up View of Birds to Study Their Markings. There Is No Other Bird Feeder That Will Capture Your Backyard Birds This Close! You'll Be In The Comfort Of Your Own Home Too! Ideal for Classrooms, Dorms, Nursing Homes, Apartments, Condos, and Ideal for The Whole Family Including Your Cat! 6x6x3 inches. Made Of Lightweight Very Durable All-Weather High Transparency Acrylic. Holds Up To 2 Cups Of Bird Seed! 2 Super Quality Grip All-Weather Suction Cups That Will Not Come Undone Even Under Extreme Weather Conditions! Moisten The Suction Cups Before Use. Do Not Apply In 20 Degree Fehrenheit or Lower. LIFETIME GUARANTEE!!! NOT FOUND IN STORES!!! GREAT ENTERTAINMENT FOR CATS!!