Made from high-quality rawhide material without any harmful additives or chemicals. Bundle includes one giant knuckle bone and a pack of three medium knuckle bones. The giant knuckle bone measures 31cm (12.5-Inch) in length and weighs between 400-420 Grams (14-14.8-Ounce), while the medium bones measure 12.5cm (5-Inch) and weigh 50-55 Grams (1.8-1.9-Ounce) each. Inspected and verified to be Salmonella free with no additives or chemicals, making it a quality and safe dog product suitable for all stages of a dog's life. Includes one Giant 31cm (12.5-Inch) 400-420 Gram (14-14.8-Ounce) rawhide knuckle bone and three Medium 12.5cm (5-Inch) 50-55 Gram (1.8-1.9-Ounce) rawhide knuckle bones.