Flatter Bag Bass Drum Features. 22 in. Diameter, 16/18 in. Depth bass drum. Expandable depth and diameter. Collapse the bag to fold completely flat in situations where storage space is limited. Large durable zippers and industrial grade cloth hook and eye straps. Comfortable handles, name tag ID holder and size identification labelSpecifications. Size 22 in.. Series . Format General Merchandise. Width 18.5. Length 28.25