keepsake Beloved Long Sleeve Midi Dress in Blue. - size S (also in XS) keepsake Beloved Long Sleeve Midi Dress in Blue. - size S (also in XS) Self: 100% polyLining: 97% poly 3% elastane. Hand wash cold. Partially lined. Hidden back zipper closure. Mockneck with back button closure. Ruffle detail. Imported. KPSA-WD496. 342001004. 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.