Flat Perch Shelf 4 x 11 Birds spend most of their time on their feet gripping a bar, Flat Perches allow birds to spread their toes and put the foot in a relaxed position. Because no one wants to exercise 24/7. THE ORIGINAL FLAT PERCH SHELF by Flat Perch, AMERICAN HAND MADE BY A Bird Lover, approximately 4 X 11 inches long CONNECTS TO THE SIDE OF THE CAGE LENGTH WISE. Nontoxic wood, Stainless Steel fittings. For Small size birds Canaries, Finches, Cockatiels and Parakeets GREAT FOR OLDER BIRDS AND DISABLED BIRDS.