Unlike whimpy vacuum bags that tear too easily…dumping crud all over and wasting your $$$ and time to stop and clean it all up…this is the "Ford Pickup" of Windsor vacuum bags. Trapping dangerous airborne particulates that may trigger dangerous breathing issues among the young, elderly and sick…and even you! Meet your moral duty to protect those who can't protect themselves…or Karma will find you. Using the vacuum bags = better results = gets you noticed = a raise! When health and safety matter more… Fits Windsor VP10 backpack vacuum cleaners. Alternative to Windsor 86198840 vac bags.