Small Animal Playground Colorful Wooden Swing Sport Exercise Toy for Rat Hamster Mouse Parrot Small Animals Provides small animals with a hideout and chewing instincts Material: Wood. All natural wood is safe for animals Size: 12 x 8.4 x 10cm / 4.7 x 3.3 x 3.9"( L x W x H) . Swing board measured 5" x 2.4"( LxW) , net weight 150g Ideal hide-out for pet rats, hamsters gerbils and sugar gliders(see the measurements above) Easy to clean and resistant to odors.