Tiki Time Tube Avian Toy are whimsical toys to help reduce birdie boredom. Brightly colored to stimulate and encourage foraging activity. Made of natural loofah, shredding paper, and sisal, the multiple textures mentally stimute birds. These toys will provide hours of play time and healthy activity. Styles and colors vary. Metal hanging chain with locking carabiner hook works with most metal cages. Ideal size for parakeets, cockatiels and other smaller sized companion birds. Approximate size is 7-inch high and 2-inch in diameter.