Schwinn Echo Kids/Child Double Tow Behind Bicycle Trailer, 20 inch wheel size, foldable, yellow Tow behind style bike trailer, universal bike coupler will fit most bicycle rear wheels, 5-point rider harnesses with shoulder patches, safety flag for extra visibility Two-in-one canopy, bug screen and weather shield options, rear ventilation window, two riders and room for 12 lbs. of additional gear in rear area 20 inch alloy spoked wheels with air filled/pneumatic tires for performance and style, large side windows Fits in the back of cars or closet. The frame collapses and the wheels remove. Comes with a coupler that will attach to most rear bike wheels Assembled 51.8" x 32.5" x 31.9"', fits two riders up to 40lbs each. Features a small storage space behind the seat for water bottle or some cargo Aluminum frame is lightweight for easy handling Folding frame and quick release wheels allow for easy storage Retractable canopy makes entry a breeze  zip on weather shield