NERF DOG Track shot: Tough Plush Fun! Looking for super-strong plush toys for your dog? Track shot is NERF DOG's specialty line of durable plush toys that stand up to a dog's teeth, thanks to the sturdy woven nylon exterior with tear-resistant polyurethane rubber coating. The NERF DOG large Track shot Ball will entertain dog for hours on end with extra auditory stimulation. The interior makes squeaking and crunching sounds that dogs love, while the exterior stands up to plenty of chewing! Sturdy woven nylon with tear-resistant PU rubber coating. Great for toss and fetch, or solo play sessions.