About This COMPLETE 4-PIECE SET : Includes 1 King Flat Sheet (108" x 102"), 1 Split Head Flex Top Fitted Sheet (78" x 80" x 16"), and 2 King Pillowcases (20" x 40"). Extra-deep pockets fit mattresses up to 16", making these split head king sheets sets for adjustable beds truly versatile FIT FOR ADJUSTABLE BEDS