Rage Powersports PT-10117-R Red Pull-Behind Dog Bicycle Trailer with an 85 lb. Capacity Front and rear access doors with mesh windows for optimal airflow and visibility Universal hitch attachment fits most 24" to 28" bikes (2) 20" Pneumatic wheels work great on pavement, sidewalks, pebble trails and short grass Pet enclosure cabin enclosure measures 29"L x 20"W x 24.5"H Steel tube support frame with a water resistant nylon fabric enclosure, maximum 85 lb. capacity