2-in-1: Can be pushed as a dog stroller or an attached to a bike, suitable for longer journeys. EASY ACCESS: Zippered doors of this dog trailer for bicycle for pets to get on and off. Pets can stick their head through the sunroof to enjoy the breeze. Meshed windows for the dog bicycle trailer to keep pets cool on their trip. SOLID MATERIAL: Durable aluminium structure, keeping the dog trolley sturdy. Breathable Oxford fabric keeps your pets comfortable when riding. DIMENSIONS: 98-108H x 150L x 82Wcm. ASSEMBLY REQUIRED. Suitable for large and medium dogs less than 55 cm in length and less than 30 kg in weight. Recommended bicycle wheel diameter: 24"-28".