Suitable for small or medium sized dog up to 50 lbs.Cabin dimensions: 26.4 x 16.9 x 19.7 inches (L x W x H). Please measure your pet's length and shoulder height to ensure your dog fits in the cabin. Easy conversion between bike trailer & stroller.Swivel front wheel and push handlebar are included.It could be used as a training crate at home or pet car seat in the car. Reinforced floor base. Unlike other bike trailers with canvas floor or unstable base,Doggyhut's reinforced base floor provides great support that dogs needs to stand up,sit up or lay down through the ride. Parking brakes prevents stroller from rolling when loading and unloading. Internal leash,safety flag and reflectors all arounds for added security. Front door includes zippered mesh screen layer plus a zipped sunroof for dog's head to pop out. Large storage bag with cup holder at the back. In addition, there is a zippered pocket on the top for mobile phone, sunglasses or other small items. Assemble in minutes.Folds flat for easy transport and storage. The Doggyhut Premium M Pet Bicycle Trailer & Stroller 2 in 1 is a great way to maintain an active lifestyle with your pet up to 50 lbs. If you want to get in a bike ride, but your pet isn’t up to it, you can still take them along. Easy conversion between trailer & stroller. It could be used as a training crate at home or pet car seat in the car. The design features an extra-wide wheelbase and a lower center-of-gravity to provide outstanding ride stability and easier access for pets getting in and out of the cabin. The front door on the trailer includes a zippered, mesh screen layer plus a zippered sunroof on the top provides ample airflow and room for pets to peek their heads out and look around. Reinforced base floor provides sturdy support during the ride.An optional washable pet mat (sold separately) keeps pets comfortable on long rides Assembles quickly and folds down for easy storage and transport. NO PETS LEAVE BEHIND!