Wooden Drum Barrel The typical specifications of a wooden drum barrel include a main material of oak wood, measured in gallons or liters (e.g., 5, 15, 30, 55 gallons), a metal hoop or band frame (usually steel), top and bottom closed with wooden heads, and a possible bung for sealing. The weight, surface finish, and other details may vary depending on the specific use case. MOQ: 100 pcs Made in Vietnam