The Ancol Tuff Tube is a fantastic and flexible toy that can be changed for repeated interest. This clever tube may be twisted and bent any way you choose giving your pet a strong new tunnel that holds its shape.The Tuff Tube can be expanded up to 75cm and is suitable for small pets including hamsters, rats, and small gerbils. The tube measures 9cm across (approx.). The tube is available in red and yellow.