Alfie Pet by Petoga Couture - Jonus Cooling Swing Toy for Small Animals like Dwarf Hamster and Mouse - Size: Small Ideal for hamster, mouse and other small furry animals. This small animal swing board measures 3" x 2.25". Chains on both sides are 6.25" long. Fun nesting and resting, provide a safe harbor for your small animal with lookout holes to keep an eye out. Relieves boredom and increases activity level. Easy to clean and resistant to odors. Made with pet safe materials.