Ramps are normally set on a gradual incline has notches to help birds grip, used in place of a ladder. Originally made for disabled birds, then other birds were using and liking them too. Ramps connect to the side of the cage, not like a ladder that connects at the top. Ramps are normally placed in a gradual incline, not in a steep one so birds can easily walk up them. They have notches for toes to grip on to. Made from Poplar Hardwood, All Stainless-Steel Fittings. Can be used for by most birds Medium and Large. Amazons, Cockatoos, Cockatiels, African Greys and Macaws .GREAT FOR OLDER BIRDS AND BIRD WITH FEET PROBLEMS.