The Beaver plays a great game of “tug” and is oh-so-snuggly at night. 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. The Mighty Dog Toys are designed to be play toys and not chew toys. Toy is machine washable(air dry) and floats!