Harold Import CO Kitchen's Canning Funnel is a must-have for the canning novice to experienced home canner to preserve foods at home. Canning prolongs the shelf life of otherwise perishable items for year-round enjoyment without any preservatives and allows control over nutritional content for healthier eating. It's a great accessories add-on to existing canning and food dehydrating sets to make preserving food easier. Its wide mouth (measuring 5.5 inches in diameter) allows canning jars to be filled safely. The handle offers a secure grip and effortless control during use and keeps hands away from heat. It works for all sizes of canning jars, from small glass jars, jelly jars, and standard-sized, and larger mason jars. Sturdy, durable, easy to use.