In development for 10 years, Pearl new decade maple series pushes the boundaries of performance, sound, and value. With even ply six, 5. 4mm maple shells, pro-level features, and gorgeous lacquer finishes, decade Maple's specially priced 5-pc. Shell pack features a 22x18 kick drum, 16x16 floor tom, 12x8 and 10x7 suspended toms, and a 14x5. 5 snare drum.