Nerf Dog 4in TPR Bash Crunch Football - Red, Dog Toy Interactive: The interior makes squeaking and crunching sounds that dogs love, while the exterior stands up to plenty of chewing! Made to Last: Nerf-quality materials allow this toy to be lightweight and durable Highly Visible: Brightly colored so you and your pet never lose track, no matter where you toss it! Weather & Water Resistant: Constructed from food-grade heavy-duty TPR rubber and nylon