Kangnice Blues Harmonica 10 Holes Key of C Musical Instrument Stainless Steel w/ Case 10-hole BA cover stainless steel harmonica, durable, beautiful tone Easy to learn and understand; can play no-noise, tremolo or husky sound hole, lively rhythms, beautiful melodies. Color: silver + black,Holes: 10 holes Size: 100 x 28 x 18mm.Key: C key Material: BA cover stainless steel + plastic,Seat plate: aluminum seat plate