4 Pcs Luxurious 100% Mulberry Silk Charmeuse Sheet Set King Navy Blue, Half of Retail! 4 pcs of Luxurious 19 momme charmeuse 100% silk sheet set, the smoothest and most lustrous of all silk Includes two King size pillowcases, one flat sheet and one fitted sheet Seamless 100% mulberry silk in Dark Navy Blue color 100% charmeuse silk, the kind of silk they use to make couture gowns in Italy.