Scooby-Doo Romper Costume

How big are the pants? I where a 46x32 will it fit?

My boyfriend is 5'8 around 190lbs, will the shaggy costume fit him? On the one size?

How do i let you know what size i want? i see the size chart and i know what size i want to order, but there is no where to click to pick a size??

does this skirt have a zip/botton