Jax and Bones Good Karma Rope Dog Toy, Petey the Panda 5" These toys act as doggie dental floss. Dip in water and freeze! 100% Eco-Friendly and made with chemical-free natural vegetable dyes As the toys unravel, they act as doggie dental floss. If you'd like to minimize rope fray, cut off threads as they unravel. Made from cotton rope Machine wash and dry.