Unlike most clothing items from Asia where you have to "upsize" at least one or two sizes to meet US sizes, in this case, I'd suggest downsizing.  I got the XL that said it was for 41-43".  Well, if you want this stretchy belt to actually hold your pants up, you better downsize at least one size!  When you buy a belt in the US, they tell you to order one size up from your regular pants waist.  In my case, I wear a 38-40" pants so I thought this would be the right size.  But the weight of the pants along could cause the belt to stretch enough to make them start to slide down.  To stretch the belt enough to actually provide enough holding power, I've got a good 8-10" of belt hanging out past the tab!  It could even tuck into the belt loop on the side of my pants.  Belt looks good.  I like the colors it is available in.  It's just that the sizing seems weird.  I haven't worn it enough to know whether the paint might flake off as some have reported.