Women's Mock Neck Elegant Office Dress Casual Short Sleeve Solid Color Wear to Work Midi Flowy Dresses. The material is very thin and flowing. Great for summer. It was just a bit to see thru for me (the white) . The black is not see thru. I have one black dress and one white dress available. Fabric type 95% Polyester, 5% Spandex Care instructions Hand wash or gentle machine wash in cold water. DO NOT bleach.