Make sure new and potential clients hear good things about your brand with this harmonica! It has a stainless steel base, a stainless steel cover, plastic inserts and 10 holes. A laser engraved imprint of your company's name and logo can be added to the stainless steel cover, making brand exposure easy. It's an ideal promotional product for instrument and music events. It's a C major key instrument and comes packaged in an individual plastic case. Complies with CPSIA. 3.9" L x 1.1" W x 0.8" H