Large 3 Cup Capacity Funnel. 5.75" Wide x 4.125" Deep. Will Thread onto a standard Milk Jug that takes a 38mm Lid/Cap. (approx. 1 3/8") Will also fit into larger openings (at least 1.75") without threading. This funnel has a large neck 1.125" that will handle filling a larger volume more quickly or possibly larger items / spices etc... Fits a large array of squeeze bottles such as are used for condiments Ketchup / Mustard / Mayo. Will fit standard Gallon / Half Gallon Milk containers with 38mm Cap. We have tried this on a number of products. We certainly do not know all of the items that this funnel with fit, but here are a few of the types of containers that we found fit: BBQ Sauce and other condiment bottles, Larger Opening Soda Bottles, Gatorade, Honey, Vinegar, Apple Juice / Cider, Honey, Soy Sauce, Vegetable and Olive Oil, Listerine, Clorox and other Bleach bottles, Log Cabin and Ms. Butter-Worths Syrup. We found that our funnel fits many common household bottles and containers..