Petface Seriously Strong Rubber Bone Tugger. The Petface Seriously Strong Rubber Bone Tugger offers a tough and durable toy that can provide your dog with hours of enjoyment. With a thick rope threaded through a tough durable bone shaped toy. This Tugger is a must have for energetic pooches to keep them quiet. *Pets should be supervised when playing with toys. Although designed to take a chewing, the Petface Seriously Strong collection is not completely indestructible and will be susceptible to chew damage. The life of a Petface Seriously Strong toy entirely depends on the ability and strength of your pet. Monitor for wear and replace if damaged*