Innovative Percussion Soloist Series IP200 Mallets Go to amazon.com Related posts Check expert advices for percussion mallets yarn? Thing need consider when find mallets percussion marimba? FeatureWrapped with 100% wool around a hard rubber core.Delivers a rich tone with the warmest fundamental possible in all registers of the marimba.Made in the USA DescriptionSolist Series Mallets Marimba Medium Soft birch