The Premium Dog Bike Trailer supports dogs up to 100 lb (45 kg) and includes a stroller conversion kit for versatile use. Built with a durable steel frame, waterproof fabric, and a solid base floor, it features suspension on back wheels, easy folding for storage, and safety reflectors with high-visibility orange fabric. Designed for comfort and safety, it has 4 interior leash points, mesh ventilation on 5 sides, zipper-secured openings, and elastic roll-up windows. Wheels: 20x1.75 rear and 12.5x1.75 front. Internal dimensions: 31"x24"x22" (79x61x56 cm). Weight: 33 lb (15 kg).