The Boss Buck 55 Gallon Slip On 3" Feeder Lid is very practical. It's heavy 9lb. weight is enough to ensure that wind, rain and critters can't remove it and get to the feed. Fits most 55-gallon drums. Constructed of 18-gauge Galvanized steel. FeaturesFits most 55-gallon drumsWind, rain and critter resistant18-gauge steelSize: 23-3/4" I.D. x 3" DeepTip: Use these lids at the deer camp to cover trash cans and barrels and keep critters out of your trash.