【180GSM Microfleece】Our microfleece fabric offers the perfect balance between warmth and breathability. This fabric is pill-resistant, temperature-regulating, and durable with a comfortable warmth that can be used throughout the seasons. 【Classic Size-King】This King Sheet Set includes 1 flat sheet (100"×108"), 1 fitted sheet (72"×77"), and 2 King pillowcases (20"×40"). 【All-Season Comfort】This bedding set delivers exceptional comfort in every season. Its breathable fabric keeps you cool in warmer months while providing cozy warmth during colder weather. The microfleece's moisture-wicking and quick-drying properties ensures fresh, comfortable sleep all year long. 【Fitted for Most Mattresses】The fitted sheet is fully elasticized to provide a snug fit that can accommodate a mattress that is up to 18" deep. This design allows you to easily make your bed and have a comfortable night's sleep without your sheets riding up. 【Care Instructions】Machine Wash in cold water and tumble dry in low temperature. Avoid any detergent with chlorine. 4-Piece Sheet Set includes 1 flat sheet(100”x 108”),1 fitted sheet(72”x 77”),2 pillow cases(20”x 40”).