includes 2 pairs of underwear elasticized rollover waistband goes under or over your bump elasticized leg openings gusseted for ease of movement fitted through body moderate coverage XS = sizes 0-2; S = sizes 4-6; M = sizes 8-10; L = sizes 12-14; XL = sizes 16-18; XXL = size 20 . Best Holiday gift for , perfect Panties for Christmas!