Ware Manufacturing Willow Small Pet Chew Cube Willow Small Animal Chew Cube Made From 100-Pecent Natural Willow Branches Best wood chew material for small animals Measures 4-Inch Width By 4-Inch Depth By 4-Inch Height Willow Branch Cube Your Pets Will Love to Chew! Made of All Natural Willow That is Completely Safe for Your Pets Promotes Clean and Healthy Teeth Critters Will Nudge, Nibble and Chew, Helping Relieve Cage Boredom Fun Time Bell Promotes Exercise and Play, Keeping Your Pet Happy and Healthy Measures 4" Width X 4" Depth X 4" Height