Solid Red Split-Top -King: Adjustable King Bed Size Sheets, 4PC Bed Sheet Set, 100% Cotton, 300 Thread Count, Sateen Solid, Deep Pocket Cotton Split Top king includes: 1 Flat Sheet 110" wide X 102" long, 1 Split Top Fitted Sheet 78" wide X 80" long with 6 corner pockets to fit 18 inches deep Pocket mattress & 2 king Pillowcases 20x40" Material: 100-Percnet Long staple Cotton 300 Thread Counts Per Square Inch Sateen Solid sheet Fully Elasticized Fitted sheet made with 6 corners pockets and fit mattresses 18 inches Deep with Double elastic on each corner for better support 18 inches Wings (extra fabric) to remain in place while in motion Fits perfectly on split-top adjustable mattresses or flex-top mattresses... Machine Wash