Allen Sports Premium Aluminum 2 Child Bicycle Trailer and Stroller 2-child bicycle trailer with lightweight aluminum frame20-inch inflated rear wheels and foot bed insert for comfortLarge front and side windows; safety harness and flagConverts to stroller via adjustable handle and swiveling front wheelHolds up to 2 kids (50 pounds each); comes with universal coupler Tote your children around in style with this premium aluminum 2 child bicycle trailer that easily converts to a stroller. It's the perfect way to transport up to two children (up to 50 pounds each) safely and comfortably. Quick and easy assembly and universal coupler attaches to most bicycles. Has a large front and side windows so your passengers can enjoy the ride and 20" inflated rear