This is a medium-sized dog wheelchair from Walkin' Wheels (now Walkin' Pets). It's lightly used. Our 40-lb. Aussie lost mobility in her back legs from a genetic condition. This extended her mobility for four or five months, and it dramatically improved her mood and quality of life too. She was able to go on walks again.
Hopefully this can go to someone who needs it and give your dog the same boost.
It's solid and well-built. It's recommended for dogs 25-50 lbs. We have the box with all of the extras to go with the wheelchair.