AQX Micro Drum Set Blue Ocean Sparkle: Sonor AQX Series shell material is made of 9-ply poplar. The color is Blue Ocean Sparkle with chrome shell hardware and a foiled shell finish. This set includes a bass drum riser and cymbal holder, along with a 4-piece shell configuration: bass drum (14 x 13 inch), tom (8 x 7 inch), floor tom (13 x 12 inch), and snare drum (13 x 6 inch). The new Sonor AQX Micro drums feature 9-ply poplar shells with a thickness of 7.2 mm and an internal TuneSafe tuning lock system. The AQX Micro sets offer great shell quality, a versatile snare drum, and sturdy shell hardware.