Plastic 5 gallon square rigid container. Corners are rounded for easy cleaning. 1/2 gallon markings on side. Screw cap has a thin center to pop out, if needed, in order to accommodate the hedpack spigot. (Spigot not included) Perfect for Home Brewing uses. You can use this for storage or fermentation. Hedpack 5 gallon container is a rugged plastic food grade container.