Knotties® are the most durable plush dog toys available, made for dogs and puppies. Made with exclusive Tuffut Technology®, a durable two-layer lining on the inside, soft and cuddly on the outside. Natural tugging instincts are satisfied by the soft fabric, knots in the limbs and 5 squeakers. Knotties promote healthy exercise and mental stimulation which makes them a hit with owners, dogs, and puppies of all sizes and breeds. All Hugglehounds plush toys can be machine washed over and over!