No additional tools, batteries, or accessories are included in this rawhide bone bundle. Dogit is a reputable brand for quality dog products, ensuring safety and satisfaction for your furry companions. The extra-large bone measures 20cm (8 inches) in length and weighs between 170-180g (6-6.3 oz), while the 2 large bones are 15cm (6 inches) long and weigh 85-90g (3-3.2 oz) each. Made of quality rawhide, these knuckle bones are yummy treats for pet dogs of all life stages, providing a tasty chew and enrichment. The bundle includes 1 extra-large 20cm (8-inch) 170-180g (6-6.3 oz) rawhide knuckle bone and 2 large 15cm (6-inch) 85-90g (3-3.2 oz) rawhide knuckle bones. All bones are inspected and verified to be Salmonella-free.