Best Friend Large Dog Wheelchair Specs: · Lightweight adjustable aluminum frame (non-rust) · Non-rust stainless hardware—very simple and quick assembly · Deluxe neoprene front and rear harness for complete comfort · Designed and tested by K9 Orthopedic surgeon · Easy hex wrench adjustment of height, length, and width · Pet can use the cart for assisted walking or full rear leg support—with zero weight on rear legs · Allows pet to use the bathroom while in cart · All-terrain polyurethane wheels with sealed bearings · Easy clip-on function front harness system This cart is good for: · Hip Dysplasia · Arthritis · Rehabilitation · Neurological problems like osteomyelitis or degenerative myelopathy · Fractured spine/back · Rear limb amputation or deformity · Ligamentous injuries such as PCL or ACL · Thoracic or Lumbar disc injury · Any other condition that results in rear leg pain or weakness