SmartBones Peanut Butter Dog ChewsSmartBones Rawhide Free Large Peanut Butter Bones are a delicious and healthy alternative to rawhide chews. SmartBones Peanut Butter bones are made with real dried chicken breast and contain absolutely no rawhide. Safe, rawhide free bones Made with real dried chicken breast and a delicious real peanut butter flavor Fortified with vitamins and minerals 6. 5" bones for dogs over 40 lbs Unlike other rawhide chews, these Peanut Butter bones are fortified