- Hank & Roy Marrow Bones are all natural dog chews; contain no added ingredients or artificial preservatives - For medium and large breed; ideal for aggressive chewers and high-energy dogs - Hank & Roy Marrow Bones are long lasting to encourage good dental health; promote positive chewing habits; high in protein; a safe and healthy rawhide chew alternative - Meaty taste dogs crave and love; animal part treats that appeal to dogs’ natural instincts; a treat your dog would choose for themselves - Family-owned and operated in the USA; responsibly sourced ingredients from around the globe to ensure quality and make the most of our world’s resources - Resealable packaging to maintain freshness; Great for keeping at home or on the road