Drum Heads Material:Mylar Drum Chamber Material:Maple Size:16"x11" Color:SL, MR, BL, BK, WH, WR, GR etc. Item:Percussion Instrument OEM Service:Offered Certification:ISO9001 Third-party Testing:SGS, BV etc. Testing Report:Available Sample:Offered Application:For kids junior Size:5 PCS Finish:PVC, Shine PVC or lacquer