Size Chart --- Small(6.3Lx3.9Wx3.9H), suggest for a pair of tiger skins, a peony, 2-4 pearl birds; Medium(8.7Lx5.5Wx7.1H), suggest for Parakeets, Lovebirds, Finches, Cockatiels; Large(11.0L x 6.3W x 10.2"H), suggest for Cockatiels, Conures,ect. Comfortable & Warm Bed--- This pet hut gives your lovely parrots or pets a warm and comfortable hut to rest, hide, play and sleep. Soft comfort sleeping tent can alleviate a birds stress and provide them with a sense of security. Tunnel Design --- This bird hammock is hung with double hooks,two door tunnel design, can facilitate parrot's shuttle in and out without folding it's tail; meet your pet friends exploring needs. Ultra Soft Fleece Nest--- Premium Flannel fabric, soft touch, not easy to lint, not easy to vacuum, provides a warm and comfortable cabin for your cute parrot or bird.Removable and easy to clean and dry. Mutil Application--- This bird house can be used for pet birds and many other kinds of small pet animals. Such as Rat, Hamster, Squirrel, Hedgehog, Chinchilla, Rabbit, Guinea,Bird, Macaw, Budgies, Quaker Parrot, Conure, Green cheek, Parakeets and Cockatiels and so on.