One shoulder sleeveless and backless cocktail/party dress by Guess is a purple/pink magenta fuchsia color. Size medium (missized as large). Exact measurements: lying flat, from underarm to underarm it’s 17 inches across. Stretchy fabric. Total length is 32.5 inches. It’s new with tags/not previously worn. The interior label is partially cut but is otherwise flawless. Buy with confidence; I’m a Posh Ambassador, top-rated seller & fast shipper. 💛