sorry the pic doesn't work!

nylabone has some bones out especially for strong chewers. one is called

Galileo®
"Made of super-tough virgin DuPont nylon, these dog chews are tougher than any other nylon or polyurethane bone. Recommended especially for aggressive chewing dogs."


Nylabone Big Chews For Big Dogs
"Wow! A dog chew SO BIG and SO STRONG that even your BIG DOG cannot destroy it! These BIG CHEWS for BIG DOGS are made of X-tra tough nylon, are long lasting and designed to stand up to the most POWERFUL CHEWER! We tested BIG CHEWS in clinics and kennels, so we're sure they satisfy even the most aggressive dog!"