Dogs have a natural inclination towards activities like fetching and pulling due to a combination of their evolutionary history, instinctual behaviours, and the positive reinforcement they experience from such activities. Satisfy their urge to bite, chew, and chase with FOFOS Durable Puller Yellow/Grey Bounce Dog Toy. It is ultra-durable with high bounce so your dog can enjoy playtime non-stop and you will fear no more of it breaking.