keepsake Sidelines Gown in Rose. - size M (also in L) keepsake Sidelines Gown in Rose. - size M (also in L) Self & Lining: 100% poly. Hand wash cold. Fully lined. Draped neckline. Front slit. Hidden side zipper closure. KPSA-WD452. 30180649. Couture inspired, but ready-to-wear driven, womens line Keepsake transforms luxury designs into accessible everyday wardrobe pieces. Each design balances femininity with a sophisticated glamour and an ounce of edginess.