* Paw Made * "We Make Stuff We Like" * Show Your Dog The Ropes * Strong, safe and helps clean teeth and gums "I love to floss my teeth. It"s great fun because I get to chew, play, fetch and tug while helping to remove plaque. If only our owners could enjoy flossing this much." Castor, the Dog Red Rover Rope Tugs with tennis balls are made from hi density all cotton rope with a flossy web to help reduce plaque. They"re also machine washable. As with all natural cotton products, it"s normal to see color and texture variations in your rope toy. Each safe and durable tennis ball is puncture resistant and non-toxic too.