This Mini K9FITbone pet balance platform from FitPAWS is an excellent accessory for exercising your dog and improving its strength, balance and flexibility. The balance trainer offers a fun way of instability training, helping you bond with your dog. With this training platform, you can teach them new skills and strengthen the core, the powerhouse of your dog\'s body. Both small and large dogs can train their entire body in a fun way with the K9FITbone. The PVC material used is of professional quality, with good grip and resistant to damage from dog nails. The K9FITbone has sensory nodes for brain stimulation. The challenge can be adjusted by pumping in less or more air. The pump is included.