Martha Stewart Collection Luxury Flannel California King Sheet Set 100% Cotton Set includes flat sheet, fitted sheet and two king pillowcases. Flat sheet dimensions: 102" x 108", Fitted sheet dimensions: 84" x 72", Pillowcase dimensions: 20" x 40", Fitted sheet fits mattresses up to 17" Machine Washable 100% Cotton Flannel is gently napped and sheared to create a velvety feel., Pill-Resistant Heavy Weight: The superior weight of this flannel helps provide exceptional warmth Pill-Resistant: Brushed, napped, velvety flannel is lightly sheared and has a reduced propensity to produce pilling