The certification mark, as intended to be used by persons authorized by the certifier, is intended to certify that dog food and cat food meet the certifier's standards for ingredient composition, ingredient disclosure, and labeling. Each food must contain only ingredients appropriate for the species named on the label and must be free of added fillers. Supplements for dogs and cats must contain only pure supplement ingredients appropriate for the species named on the label, with no added fillers, carriers, binders, flavorings, or other inactive ingredients. Pet accessories must meet the certifier's standards for materials, construction, durability, and, where applicable, fit and comfort. Pet wheelchairs and walking aids must meet the certifier's standards for load capacity, stability, and adjustability.