oxford Cloth Imported Smooth & Safe: Two 20" large rubber wheels provide a buttery-smooth ride on roads. Bright reflectors and a safety flag keep you visible during low-light rides, so you can pedal relax wherever the day takes you. Quick & Compact Storage: Done with your ride? No problem! The quick-release wheels fold flat for hassle-free storage and transport, making it easy to bring along on your next trip. Pet Enjoyable: Zippered doors on three sides, your pup can enjoy the breeze or pop their head out for joyride. Superior ventilation means no stuffy rides, and a D-ring lets you secure your furry companion safely inside (leash not included). Weather Protect: Crafted from robust Oxford fabric with a strong steel frame, this trailer shields your pet from rain, UV rays, and the elements. Plus, the canopy provides cozy shade for those sunny day rides. Dog Bicycle Trailer Info: Overall dimensions: 51.25" L x 28.75" W x 35.5" H. Recommended bicycle wheel diameter: 22"-28". Suitable for medium dogs within 44 lbs. and no more than 20.75". Assembly required.