NB Dura Chew "X" Bone Giant BeefComfort Hold X Bone Power Chew Durable Dog Toy Size Large Giant Up to 50 lbs. Flavor Beef This Nylabone Power Chew Dura Chew X Bone contains the savory beef flavor that dogs love! Built to withstand the toughest chewers, this durable nylon dog toy for aggressive chewers features four textured ends that help clean teeth and freshen breath as your dog enjoys his chewing session. It's easy to hold and provides tons of chewing fun. Keep your dog happily