This Original dog bike trailer is a quality constructed product, based off of Dutch design. The Original dog bike trailer comes in a red/black color pattern, includes a safety leash set, and can easily be folded with the release of just one pin. The ideal maximum loading capacity is 100-Pound This trailer is suitable for dogs weighing up to 100-Poundand with a maximum shoulder height of 26-Inch. Interior cabin dimensions are 31.5-Inch L x 21-Inch W x 25.5-Inch H. The product"s overall width of 30.5-Inch allows for it to fit through most doorways. The upper sunroof and front panel can be unzipped in two ways allowing for you dog to use its personal sunroof, or have the entire front panel open. The lower center of gravity provides better stability and allows for a dog to easily enter and exit the cabin on its own. The cabin"s sturdy UV resistant side and front mesh panels provide constant air flow when riding but also protect the dog from dust and bugs. Its durabability means that your dog will not paw at and rip a hole through these mesh screens. When not used as a bike trailer, the cabin can be converted into a stroller, with optional kit, or used as a crate or tent for a dog. This product meets or exceeds ASTM standards.