NWT H&M patterned peach green floral shift dress

NWT H&M patterned shift dress in peach and green. flounce quarter length bishop sleeves ; round neckline; relaxed fit. dropped waist. soft and lightweight. size shows XS but fits a M; please verify measurements. pit to pit 23in aleeves 20in from neckline length 34in waist 23in. last photo is not of thr item but similar style to show how it looks like when worn.