Small Pet Dog Stroller and Bike Bicycle Trailer Comes with everything to be used as a stroller and a bicycle trailer Lightweight, compact and easy to fold. Design for small dogs 20lbs and under. Rear and front opening. 10 inch front wheel, 16 inch rear wheels, sunroof, leash and safety flag. 4 reflectors. Interior Dimensions: 21 L x 15 W x 14 H inches. Handlebar height: 36 inches Assembles in seconds. Remove the rear wheels with a push of a button.