The Ultimate Series Durable Dog toys have a higher Tuff Scale rating to last longer. As an added bonus, the soft edges will not hurt your dog's tender mouth so they can play catch or tug-o-war with their extra durable, heavy duty dog toys for hours on end. Use interactively with your dog as a Frisbee or as a tug toy. Great for flyball training. For medium to large dogs. Recommended for dogs over 20lbs. Size: 11" x 11" x 2". 4 Squeakers.