Changing the bag in your Henry has never been so easy. Two clicks, and you can swap the Numatic Genuine Henry Dust Bagsaround in seconds. Don't worry about escaping dust, as the sealing flap closes up the bag before you take it out of Henry.The extra strong material will prevent tears as well, so once the dust is collected you know it's gone for good. You won't even need to change the bags very often, as the Numatic Genuine Henry Dust Bags are extra roomy.