"The pipe wrench is sooo clever and so groovy! And it's grooves will keep your dog's teeth and gums so healthy too. Now, the SodaPup Industrial Dog Pipe Wrench is made for tough chewers out of SodaPup's proprietary nylon which is FDA compliant and non-toxic. This toy is made in the U.S. and designed for dogs 15 to 80 pounds. It is 8.5 inches long and weighs 4 ounces."