BEST FRIEND MOBILITY DOG WHEELCHAIR SIZE LARGE Authentic Best Friend Mobility Dog Wheelchair Factory Refurbished and Guaranteed Like New Condition Comes with a 1-year warranty Be aware and only purchase authentic brand name products from authorized dealers. Lightweight adjustable aluminum frame Stainless steel hardware Designed and tested by K9 Orthopedic surgeon Easily and fully adjustable Allows pet to use the bathroom while in cart All terrain pneumatic wheels with sealed bearing Common conditions that require mobility aids: Hip Dysplasia Arthritis Rehabilitation Neurological problems like osteomyelitis or degenerative myelopathy Fractured spine/back Rear limb amputee Ligamentous injury like PCL or ACL Thoracic or Lumbar disc injury Any other condition that results in rear leg pain or weakness