The goDog Retrieval triFlyer adds a twist to classic retrieval toys with a design that is as easy to pick up as it is to throw. The included, replaceable tennis ball causes the triFlyer to land with one end up for dogs or their people to easily grab. Patent pending Tough Core Technology adds a durable foam insert and bonded seams to create a more durable, safer tennis ball for longer lasting fun. Made from material that is easy on teeth and gums, the triFlyer floats for fun water play. This toy is intended for interactive play and is not meant for use as a chew toy.