Soft cooling knit zip off cover, waterproof. Features: Cooling, Waterproof, Quilted, Moisture WickingBedding Construction: DiamondBed Size: TwinFill Weight: 12 oz. of FillMeasurements: 75 Length/Inches, 39 Width/InchesMattress Depth: Up To 21 In DeepBase Material: 100% NylonFilling Content: 100% PolyesterCare: Machine WashThickness: Thickness Not ProvidedComfort Level: ModerateProtection Level: BasicMattress Pads & Toppers Type: Mattress PadsCountry of Origin: Imported Fieldcrest Waterproof Cooling Quilted Mattress Pad