Classic Series Drum Cases 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 Exterior Dimensions Exterior Length 20 " Exterior Width 20 " Exterior Height 18 " Exterior Weight 9.5 lbs