MULTIFUNCTIONAL: Pull the trolley for walks or attach it to your bike for cycling adventures. EASY ACCESS AND WELL VENTILATED: Your pet can get on and off through the zippered back door. They can stick their head out through the sunroof and enjoy the breeze. The meshed windows keep your pet cool on their trip. SMOOTH AND SAFE RIDING: Your pet will be secure with the safety leash. Two 16" inflatable rear wheels and two universal EVA front wheels are for different ground conditions. Reflectors and red flag keeps you visible in traffic and at night. DIMENSIONS WITH/WITHOUT BAR: 92/59H x 130L x 64Wcm. MAXIMUM LOAD 40KG. ASSEMBLY REQUIRED