Find SIMON MILLER Argan Sequin Dress In Metallic Silver on Editorialist. Simon Miller Argan Sequin Dress in Metallic Silver Self & Lining: 100% polyester Contrast Fabric: 100% PET. Made in China. Spot clean only. Fully lined. Partial back zipper closure. Fully sequined fabric. SIMF-WD93. W4450. About the designer: