The handle bar is adjustable to suit different heights and flag is 6.5 feet .It has a button hole for the flag to slide in . * Front wheel can be fixed for jogging and can swivel for strolling. * The trailer has suspension to ease the bumps for pets * The trailer has pocketed seat to secure the pets better. Other trailers have flat seat. * Handle bar is adjustable for different heights,the seat is pocketed to secure the pets better