Hopper Topper lawn and leaf funnel fits all standard 30 gallon paper yard waste bags. Patented, funnel-shaped design directs waste into the bag so that it doesn't fall out around the bag. Comes fully assembled and ready to use right out of the package, compact size means easy storage without disassembly. Sturdy and able to be used multiple times making it cost effective. Doubles the opening size of paper yard waste bags. Keeps bag open under windy conditions and prevents the mouth of bag from collapsing when filling. Bag can lay flat on the ground to rake waste directly into bag when funnel is attached. Funnel prevents bag tearing when emptying contents of a lawnmower collection bag. Enables packing more waste into bag without having to remove the funnel.