SEVEN WONDERS Brontie Keyhole Halter Midi Dress in Black. Size S (also in XL, XS). Self: 50% cotton 50% rayon Lining: 100% cotton. Made in China. Machine wash cold. Fully lined. Hidden back zip with hook and eye closure. Lightweight linen fabric. Halterneck styling. SDER-WD55. SW25-5081-BLK.