USA K9 Grenade Dog Toys are super durable, long lasting, and Made in America. It's made using natural rubber which is sourced from rubber trees, non-toxic and FDA compliant. Dogs that love to chew, chase, and chomp will love this toy. USA K9 Toys are inspired by military objects and built to withstand the demanding use of professional K9 handlers in law enforcement and the military. The Grenade is hollow in the center, which allows you to stuff it with your pups favorite treats, peanut butter, kibble, or whatever else your furry friend enjoys. USA K9 is proud to keep jobs in America by designing and producing them right here in the Red, White and Blue.