Nightwear Promotion - Terms & Conditions 20% off selected Women's and selected Men's nightwear is valid until 23:59:59 on Sunday 19th November in any White Stuff shop, UK concession or online at whitestuff.com. Offer applies to selected lines only. Offers cannot be used in conjunction with any other offer, or in our outlet shops. The discount will be automatically applied to selected items at the till or online checkout. Valid on full priced items only. Discount cannot be used to purchase gift cards or charity items.