Columbia Cooling Sheet Set. Temperature balance sleep- King Set Size King | ColorRose You'll get your best night's sleep with these cozy and cooling Columbia sheets. FEATURES • Cool & crisp cotton • Cools you when you're hot • Wicks away moisture • 300 thread count • 3Fully elasticized fitted sheet KING SET • 4 piece set • Flat sheet: 102'' x 108'' • Fitted sheet: 78'' x 80'' • Fits most mattresses up to 20'' deep • Two pillowcases: 20'' x 40'' (each) CONSTRUCTION & CARE • Cotton • Machine wash