Jw mega-last, medium bone dog toy, patented, extra strong polymer, keeps up with even the rowdiest bowwows, keeps your dog interested & on her toes ridges hold treats for an extra incentive to play, vanilla scent encourages the natural instincts to chew & chase buoyant, excellent for water games, promotes exercise & strengthens jaws built to satisfy & stand up to aggressive chewers, eco-responsible: recyclable, solar powered factory.