10 Holes 40 Tones Advanced Chromatic Harmonica T10-40. Specification: Item Name:10 Holes Chromatic Harmonica; Type:Chromatic Harmonica; Number of Hole:10; Color:silver; Body Material:Metal; Cover Material:Chrome-plated Copper Board; Package Included: 1 x harmonica; 1 x wipe cloth; 1 x Manual; 1 x box; Product Detail: Harmonica Health and Maintenance: -In order to prevent infectious diseases and keep health ,please do not use other people's harmonica. -Please rinse the mouth or brush teeth before playing harmonica to prevent small object in mouth put into harmonica. -Please don't play harmonica strongly to protect your harmonica reeds. -Slightly saliva and wipe mouthpiece and cover plates after playing,then put harmonica into the case. -Do not wipe your harmonica with any solvent,this could cause harmonica damage