HopperTopper HTOP0001 Lawn and Leaf Bag Funnel Large funnel-shaped opening that doubles the mouth size of the bag Maintains the bag open under windy conditions and prevents the mouth of the bag from collapsing while filling Avoids have to use help from other individuals for filling bags Allows laying the bag flat and rake yard waste directly into the bag Prevents tearing of the bag while emptying contents from lawnmower and enables maximum packing of the bags