Product description: STAR is the new flagship series from TAMA Drums. It takes the knowledge and research we have cultivated for the Starclassic series to the next level, re-examining every detail to improve shell resonance. The "Solid Core Ply" of the STAR Maple shells is a new design for this series. This unique shell offers the warm, open tone of maple combined with the rich, hearty sound of a solid plywood shell. Specifications: Size 22" x 18" boiler 5mm 5 ply maple + 1 outer ply curly maple headsRemo® Coated Powerstroke 3 for Batter Side / Remo® Fiberskyn Powerstroke 3 Diplomat for Front SideFeature 1Hold Tight™ Washers (US.PAT.NO.7307204) Feature 2 Minimum Shell Contact Feature 3Bass Drum Spurs (US.PAT.NO.9093051).