Each toy measures 6cm diameter or less

She rates at 7 on the Tuff scale

The ball will float in water and is bright and easy to see in the Chuckit

It will only extend to twice its length offering complete control

Tuffy Ring Series Coats Each toy measures 6cm diameterTuffy dog toys have the distinction of being the toughest plush dog toys around. Tuffy toys are made from the highest quality materials and are the most durable, tough and unique dog toys available. The Rings series is the most popular of the Tuffy toys. Tuffy dog toys come in many series and styles. The Ring series is rated 9 to 10 on the "Tuff" scale. You'll find Tuffy Rings in three sizes Jr, Ultimate and Mega. So there's a size to suit every dog.