This VEVOR dog bike trailer is a 2-in-1 pet trailer and stroller designed for medium to large dogs up to 100 lbs. It features a spacious cabin, a reinforced steel frame, breathable mesh panels, and a front PVC flap for weather protection. The included universal coupler fits most adult bikes with 22-28 inch rear wheels for easy towing. A built-in leash, rear reflector, and safety flag help keep your pet secure and visible during rides and walks. The foldable design with quick-release wheels makes storage and transport more convenient.