[Suitable for large sized dogs (max shoulder height: 24 inches and 31 inches of length). Cabin dimensions: 31.5x22x24.80 inches. PLEASE MEASURE YOUR DOG BEFORE ORDERING TO ENSURE THE TRAILER CABIN IS LARGE ENOUGH TO FIT YOUR DOG. Can be used a bike trailer or car seat. IMPORTANT: BIKE TRAILER ONLY. IT CANNOT BE CONVERTED INTO A STROLLER! "Reinforced floor base. Unlike other bike trailers with canvas floor or unstable base Doggy huts reinforced base floor provides great support that dogs needs to stand up sit up or lay down through the ride." "Front door includes zippered mesh screen layer plus a zipped sunroof for dogs 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." Universal bike hitch to rear axle fits most bikes. E-Bike friendly. 20" air-filled tires for smooth ride with reflectors safety flag and dog leash for added safety. Assembles in minutes and folds flat for easy storage and transportation.]