Gioia Casa 100% Mulberry Silk Two Sided Pillowcase Pink Soft, smooth and silky, the Gioia Casa 100% Mulberry Silk Two Sided Pillowcase Pink provides incredible comfort and luxury, and brings an elegant and refined touch to any bedroom. Made with natural silk, these pillowcases are hypoallergenic and feature no friction or pulling, ensuring you never have a restless night again. For added convenience, they are even machine washable. Available in White, Silver, Pink, Charcoal, Black, Navy Blue, Champagne, Emerald Green, and Dark Purple.