Ultimate protection for your mattress. This is a truly high-performing luxury pad. Made using nanotechnology, the fabric resists water and stains while retaining 100% of its natural feel. The process is not a coating and will not wash out.400 thread count 100% cotton coverResists stains and waterFits mattress up to 21"Stretch fit sidewallFeatures: Stain Resistant, Water ResistantBedding Construction: Box StitchThread Count: 400Bed Size: California KingFill Weight: 8 oz. of FillMeasurements: 72 Width/InchesMattress Depth: Up To 21 In DeepBase Material: 100% CottonFilling Content: 100% PolyesterCare: Machine WashMattress Pads & Toppers Type: Mattress PadsCountry of Origin: Imported Stayclean 400 Thread Count Water and Stain Resistant Mattress Pad