This convertible pet bike trailer / stroller is a great way to maintain an active lifestyle for your pets. This pet bike trailer can be setup in minutes. The mesh zippered screen on the front and back, and the meshed windows on the side allow for maximum air flow for your pet. FEATURES: – Heavy-duty, water-resistant polyester fabric on a sturdy steel frame, – Quick release wheels, – Dual entry (front and back) design for easy loading of your pet, – Easily assembles and folds down for storage, – Mesh zippered screen front and back, – One Aosom type “A” bicycle hitch included, – 32″ long safety flag. SPECIFICATIONS: – Max loading weight: 44 lbs, – Trailer Weight: 28 lbs, – Tires: 12″ (back), 7″ (front), – Interior Dimensions: 23.25″D x 17″W x 20.5″T, – Overall length (with tow bar): 49″.