Booyah Medium Dog Stroller & Pet Bike Trailer with Suspension - Orange Will arrive in 6 business days or less. OURS PULLS DIRECTLY CENTER BEHIND THE BIKE. Makes it difficult to pull on sidewalks when not directly center behind bike. Newly added suspension and 12 inch front swivel wheel. Pneumatic wheels. Bike hitch method and NOT clamp method which can bend frame and wear bike paint Size: Medium up to 60 lbs tow capacity but please see that your can fit within the interior dimensions. 40lbs dog seem to be the max size to fit. Instructions appear to be missing. Please look for instructions under the cushion. For post purchase support contact the seller. Do not contact Amazon.