The small rear dog wheelchair provides hind leg support so your best friend can continue to run, play, and enjoy an active life. The small wheelchair helps improve mobility for pets struggling with rear leg weakness, paralysis from IVDD or DM, difficulty walking from arthritis. It can also be used as a rehabilitative tool as your pet recovers from an injury or surgery. https://walkinpets.com/products/dog-wheelchair-small-adjustable-wheelchairs-for-dogs-with-disabilities?variant=49016694079802