The Blue Side Of The Mattress Protector Provides A Cool And Soothing Feeling, And Turn The Beige Side Facing Up To Enjoy A Soft Surface That Keeps You Warm – Even During Cold Nights. You Enjoy A Cool And Comfortable Sleep Since The Nylon Fibres Are Woven In A Special Way And Transport Heat Away. Protects The Mattress Against Stains And Dirt And Prolongs Its Life. Easy Care Since It Is Removable And Machine Washable. Elastic Ribbon In Each Corner To Keep The Mattress Protector In Place.