Prevue Pet Products Carpenter Creations Wood Bird Ladder features high-quality, heavy-duty construction. All ladders are colored with 100% safe FD&C colors and include top hooks for easy hanging in bird cages. Made of 100% safe, non-toxic materials Easy to install and clean 6 Rung Ladder is 12" Long 7 Rung Ladder is 15" Long 9 Rung Ladder is 18" Long 11 Rung Ladder is 18" Long