Who says big dogs can’t come along for the ride? Perfect for medium and large breed dogs, the Extended Sport Wagon Pet Stroller / Bike Trailer connects to the back of your bicycle so you can bring your pet wherever you go. With a durable steel frame your pet will enjoy being able to relax while spending time with their owner. Include optional stroller kit to create the ultimate on-the-go pet home! Features: -Durable, wide based steel frame. -Zip doors for easy access to your pet. -Base of pet cabin is water proof and contains removable plug for easy rinsing. -Sunroof can be opened, rolled & stowed. -For pets up to 165 lbs. Sizes: -Medium: 18″ H x 20″ W x 32″ D. -Large: 25 ” H x 28″ W x 36″ D. Optional Accessories: -Rubber Mat keeps the inside of your wagon free from dirt and mud. -Stroller kits allows you to convert the wagon into a luxury pet stroller. -Weather protector keeps your pet dry even in the harshest conditions.