Magic Silk Lingerie Keyhole Cut Out Gown and G-String Panty Set Black Medium. Ladies size medium. Dress sizes 8 and 10. From the Exposed by Magic Silk collection, this style includes: a full length gown featuring an apex halter neckline that ties around the neck, keyhole cutout in front, high slit and a matching classic g-string panty. Fabric composition 90% Nylon, 10% Spandex. Hand wash, cold water. No bleach. Dry flat. Made in China.