Bike Pet Trailer, For Small and Large Dogs, Folding Frame Carrier, Quick Release Wheels, Universal Bicycle Coupler, Adjustable WATER RESISTANT MATERIAL: Element and weather-resistant fabric with a 2-in-1 canopy and mesh shielding so your dog can enjoy the ride without pesky critters getting in the way. FOLDABLE FRAME: The unique folding frame makes the Pet Trailer easy to store and bring along on your next adventure! The low maintenance,16 inch,1-piece molded rubber wheels have air-filled tires that easily inflate with standard bike pump. SAFETY FIRST: Includes internal leash and no-slip floor to keep your pup safe and secure. Hook up the trailer, clip them in and enjoy your ride! REAR DOOR: Rear doggy door provides easy entry and exit and securely zips for added safety. BIKE COMPATIBILITY: Compatible with nearly all adult bicycles with included coupler. Internal leash is adjustable to prevent pets from leaping out of the trailer, holds one Pet up to 88lbs. Plenty of air ventilation. Safety flag is includ