Your canine doesn't need to be Hercules to tame this 9 headed serpent...just bring along a few friends for a terrific game of tug! 2 layers of material. Multiple rows of stitching. Durable seams. Squeaker inside. Why We Love It: Any dog will love this Mighty Bug Dog Toy - Hydra the Dragon. Mighty Toy Construction: Durability is created for each toy with multiple layers of flexible materials. Compared to other toys, Mighty Dog Toys have no hard edges. The result is that these toys do not promote chewing - great when you're trying to discourage chewing habits. These toys may seem plush on the outside, but all the durability features are internal making these toys soft, yet MIGHTY strong. These toys are machine washable(air dry) and float. Warning: Your dogs safety is Your Responsibility. The Mighty Dog Toys are designed to be play toys and not chew toys. No Part of any toy should be ingested. Injury may result. Sizing Information: Junior Hydra: 10 x 7 x 3 Dogs under 15lbs. 7 on durability scale. Hydra: 18 x 3 x 12 Dogs over 15lbs. 8 on durability scale.