飛利浦網站上對S-bag的定義為
s-bag is the standard disposable dust bag that is widely available and easily recognizable by its logo. It is suitable for bag vacuum cleaners of Philips, Electrolux, AEG, Volta, and Tornado.
這個s-bag還是個註冊商標，人家要把這種除塵袋註冊成這名。
如果壹定要個全稱的話，把s看成standard