Leo Washed Cotton Mustard Bed Sheets Sheet Society Linen Fitted Sheet 180cm*200cm The 31 Mustard Gold Linen Bed Sheets Available in All Sizes or Etsy Linen Sheets Full Mustard Etsy. Our linen flat sheet, in this exotic and earthy Mustard is pre washed for the utmost sleeping bliss, which only increases with time. Easy to care for, these richly textured, natural linen flat sheets provide aeons of comfort, sized in Single, Twin, Queen, King and Full Double. With no worries about shrinkage or fading, your Flax linen sheets will keep you cool and wrap you in nocturnal delight for many years. You will awake refreshed to greet each new day!