Living World® Nibblers Kiwi Sticks Wood Chews are made from kiwi tree branches for teeth maintenance and fun. 6 sticks per package. Diameter: 1.5 cm (0.5 in), Length: 8 cm (3 in). Living World® Nibblers are specially designed chew toys that help improve your small pet’s dental health. They are also fun to chew on and are an excellent boredom buster. Available in a variety of shapes, sizes, and colours, Nibblers are made of a range all-natural materials such as wood, loofah, willow, corn husk and raffia. All Nibblers are colour-finished using non-toxic food colorants. Some Nibblers come with a chrome-plated steel rod attachment that can be either hung or fastened to the cage.