Kaytee Chewbular Play Tube for hamsters, gerbils, mice and other small animals is a barrel of fun that accommodates your pet's natural chewing and burrowing instincts. It is made with eco-friendly materials and non-toxic vegetable food colors. Kaytee Chewbular Play Tube makes a perfect place for your cozy critter to hide out. Includes a free sample of Kaytee's Night-E-Night bedding material. Assorted colors. Size: 6"L x 2.5"W.