Sleep in warm and ultra-soft comfort with the Beautyrest oversized flannel cotton sheet 4 piece set. This flannel sheet set features superior brushed fabric for incredible softness and oversized dimensions to fit premium mattresses. Pre-shrunk for guaranteed comfort and a secure fit. This sheet set is also Oeko-Tex certified, meaning it does not contain any harmful substances or chemicals to ensure quality comfort and wellness. 100% Cotton Flannel Luxury oversized dimensions to fit premium mattress heights up to 18" Superior cotton flannel fabric brushing for ultimate softness Fitted sheet comes fully elasticized for better coverage and fit Pre-shrunk to guarantee comfort and fit Set includes flat sheet, fitted sheet, and 2 pillowcases Available in a variety of prints and solids Oeko-Tex Certified, includes no harmful substances or chemicals Machine washable for easy care  # Pieces In Set: 4 Included: 1 Fitted-Sheet - 72x84-Inch, 2 Pillowcase - 40x20-Inch, 1 Flat Sheet - 108x104 Inch Bed Size: California King Pillow Size: King Mattress Depth: Up To 18 In Deep Base Material: 100% Cotton Care: Machine Wash Decor Styles: Casual, Modern, Contemporary Material: Cotton Sheets Type: Sheet Sets Country of Origin: Imported