Blair Dress Patio Dress Muumuu Lounge Black Floral V-Neck Size Small? Medium?

Blair Women's Dress Patio Dress Muumuu Lounge Size tag is hard to read - please review measurements for your fit, Believe it is small or medium Black Floral Print V-Neck Knee Length One Side single pocket Good Condition Measurements are approximate: Pit to Pit: 21" Length: 39" Smoke Free Home I ship same or next day