Heavyweight Flannel 100% Cotton Sheet Set- California King, Blue, 4PC bed sheets 170 GSM Pure Flannel Cotton Lavish Yourself in the WARMTH of These Heavyweight 100-Percent of Natural Cotton Flannel Sheets & Pillow Cases- 170 Gram per Sqaure Inch for Ultra Comfort. Flannel is Lightly Brushed to Produce a Soft and Warm Feel Flannel Sheets California King Size 4-Piece Set Includes: ONE Flat Sheet 110 Inches Wide x 102 Inches Long, ONE Fitted Sheet 72 Inches Wide x 84 Inches Long and TWO King Pillowcases 20 Inches Wide x 40 Inches Long Fully Elasticized Fitted Sheets with Deep Pockets Fitting Mattresses 15" Deep for a Secure and Snug Fit. Flat Sheets are made with 4" Hemming & Piping These Pure Cotton Flannel Sheets and Pillow Case Sets are Heavy, Thick, and Ultra Soft, Perfect for Cold Winter Nights and Cold Sleepers! Machine Wash- with Cold Water Only on Delicate Cycle to Prevent Shrinking with Mild Detergent. No Bleach, Dry on Low Settings. To avoid Wrinkles, We Highly Recommend to Put your Sheets/Pillow cases on Your bed/Pillow Right After Pulling them out from the Dryer