Recognized as the Industry Standard Rotationally Molded Drum Cases Provides strength, durability, and simplicity for almost any drum size The Rotational Molding Process Gives Added Strength and Durability to Case Corners and Provides Water Resistance that Non-Roto Molded Cases Can't Match Comes with a limited, lifetime warranty against cracking (2) Heavy Duty Casters Interior Dimensions Interior Length 45 " Interior Width 19 " Interior Height 12 "