SKIMS Swim Tank Dress in Onyx A vacation must-have, this sexy swim tank dress is perfect for pool day to drinks, and everything in between. This easy-to-wear, transitional piece features a mini length and square neckline. Size: medium New with tag Color: onyx - New Cover-Up Silhouette That Will Easily Take You From Day To Night, Open Square Neckline, Mini Length Silhouette With High-Low Hemline (Slightly Longer In The Back For Added Coverage), Great Coverup Option To Layer Over Bikini Sets - 76% Recycled Nylon / 24% Spandex - Rinse With Cold Water After Wearing, Hand Wash Cold, Do Not Bleach, Hang To Dry, Do Not Tumble Dry, Do Not Spin Dry, Do Not Iron, Do Not Dry Clean - Imported