Tux® is a dog treat toy that is guaranteed durable. It's like a dog's chance to have his cake and eat it too! Tux is the perfect combination of a supremely stuffable. Tossable dog treat toy and guaranteed-tough Zogoflex®. Just like our other Zogoflex® dog toys, Tux® is pliable, bounces, nontoxic, recyclable, and buoyant.