The Sei x REVOLVE One Shoulder Cut Out Gown in Metallic Gold. - size 4 (also in 0, 2, 6) The Sei x REVOLVE One Shoulder Cut Out Gown in Metallic Gold. - size 4 (also in 0, 2, 6) Self: 100% polyester Lining: 100% silk. Made in China. Dry clean only. Fully lined. Hidden side zipper closure. One shoulder styling. Front and back cut-out Lightweight lam fabric. TSEI-WD90. TS9034B. Founded in 2020, THE SEI is a ready-to-wear collection based in Los Angeles, California that is fully women and minority owned. The brand aims to build a foundation of polished classics mixed with seductive structured and feminine silhouettes to empower women to feel confidence and joy, while remaining effortless and timeless. All four founders come from various age groups and backgrounds, each bringing a different but essential role to the brand. Their diversity guides them in creating thoughtful pieces, designed for women, by women, that will span all generations and lifestyles.