These Set of 4 - King size Down Alternative Pillows - Machine Washable are 100% super soft brushed microfiber with medium-firm support, pillows are Down alternative fiber filling. Provides support for back, side, and stomach sleepers. Pillows are compressed and vacuum-packed for easy shipping. You may manually fluff the pillows to reach their original form.Set of 4 - King size Down Alternative Pillows - Machine WashableWhat's Included? Pillowcase, Removable CoverSleep Position: Side; Back; StomachComfort Level: MediumFill Material: Down AlternativeCover Material: MicrofiberRemovable Cover: YesPillowcase Included: YesUpholstered: YesCooling Technology: YesAntimicrobial: YesPillow Set Included: YesProduct Type: Bed PillowDurability: Bed Bug ResistantClosure Method: ZipperProduct Care: Machine washableColor: WhitePieces Included: 4Dimensions:36'' H X 20'' WOverall: 5''Fill Weight: 17 oz.Weight: 5lbs.