VINMEN womens Drop Crotch Drop Crotch

The picture and color don’t correlate. I want these in black so do I buy based off the picture or whatever color its saying it is?

Im 5'6 and weigh 180 what size should i get ?

I'm 4'9, 120-125 lbs. Should I get a small? Are they thick?

I’m 5’4, 140 lbs. wanted a super baggy look like the picture but want waist to fit, Should I get lg or xl?