2 piece seperate top and matching skirt. the top is medium and measures: 18 inches from shoulder to hem laid flat 19 inches wide top does not have adjustable straps. buttons down the back skirt is size 6 and measures: 27.5 inches long 14 inch waist skirt has matching belt, two large functional pockets and is fully lined. no elastic or stretch to fabric or waist 100% cotton yes, the Koala is smoking a bong, but I've been told he has glaucoma.