Ware Manufacturing Twigloo
"Edible hideouts made from 100% natural willow. Promotes a sense of safelty and security. The nutrient rich bark provides essential natural benefits for small mammals, while the hard, strong texture of the willow branch makes it an ideal tooth trimming surface. Because of its flexible, slender branches, will can be woven and bent into a variety of fun shapes for critters to play with. Small measures approximately 8" x 8-1/4" x 4-1/4" high; perfect for hamsters, mice, gerbils and more. Medium measures approximately 12-1/2" x 11-1/2" x 6-1/4" high; ideal for guinea pigs, chinchillas, and smaller. Large measures 15" x 12-3/4" x 7-1/4" high; ideal for rabbits, chinchillas, ferrets, and guinea pigs."