Whether its just for fun or training, the ball's bright colours make them easier to spot than a tennis ball if your puppy is one for abandoning them in the middle of the field.Solid - bite resistantNon-toxic substance1 Ball per packAssorted colours** Pets should be supervised whilst playing with toys. Although Petface toys have been designed to be strong they are not indestructible and will be susceptible to chew damage. The life of a Petface toy depends on the ability and strength of your pet. Monitor for wear and replace if damaged.**