Rayon from BAMBOO Sheet Set -California King White 100% silky bamboo Sheet Set Bamboo Viscose SLEEP ON THE SOFTEST BED SHEETS IN THE WORLD! These Fitted Sheets are made of Pure Bamboo Viscose, Constructed at 600 Thread Count for Irresistible Softness and Comfort DIMENSIONS: Cal King Fitted Sheet Measurements are (Bottom Sheet) 72 Inches Wide by 84 Inches Long (Package Includes 1 Fitted Sheet) DEEP POCKETS: The Fitted Sheet is Made With Elastic All Around for a Snug Fit and Can Fit Your 15" - 18" Deep Mattress SILKY SOFT HYPOALLERGENIC BAMBOO SHEETS: Bamboo is Noticeably Softer than Cotton and Comfortable in All Seasons. Bamboo Bed Sheets wick so much water away from the body, Keeping You Dry & Comfortable (Regulates Body Temperature) EASY CARE: Machine Wash with Same Colors on Delicate Cycle using Mild Detergent and No Bleach. Dry on Low Setting. To Avoid Wrinkles put Your Sheets on Your Bed right after You pull them out from the Dryer