25MM Heavy Weight Seamless Silk Sheets Fitted Flat 4pcs Set Cal-King White 100% Silk Made of 100% top quality mulberry silk from China The sheet sets are 100% silk charmeuse with a high quality 25 momme weight to create truly luxurious bed linens.The 25MM silk is heavy weight silk, which is thicker and more durable than common silk fabric. 1st quality and attention to details are evident in the hemstitching,corners and hidden zip closures . The sheets are seamless made by extra wide fabric We can custom made according to customer's requirements