SPT SERIES SPONGE PRACTICE PADFOR TOM TOM : SPT-12 (12") , SPT-13 (13") FOR SNARE DRUM : SPT-14 (14")FOR FLOOR TOM : SPT-16 (16")SCPT SERIES SPONGE CYMBAL PRACITCE PADSCPT-1416 : 14" & 16"SCPT-1820 : 18" & 20"