The Jones Natural Chews Peanut Butter Flavor Stuffed Bone begins with a 4 inch natural, beef bone that has been boiled bare and is then hand-filled with our bestselling stuffing flavor: peanut butter. These 2-in-1 treats are extremely popular, offering a blend of textures that results in a great chewing experience and mental stimulation. Dogs will be kept very busy working for the delicious home style filling inside the bone. All Jones Natural Chews products are raised and handcrafted in the USA and responsibly sourced.