Hartz Dura Play for Small Tiny Dogs Fun to throw and bounce, Dura Play toys even float and are easy to clean. Soft and flexible to the touch and perfect for dogs of all ages, even senior dogs and teething puppies. Exterior is made of firm natural latex for durability, interior consists of a unique foam technology for a chewier bouncier toy. Recommended for moderate chewers. Colors vary, product chosen at random during time of shipment.