1.16 holes harmonica,plastic shell with one side 2.very cheap price. 3.4 colors logo. 4.Nice looking with 5.we can make OEM 16 hole harmonica,alumunium board,ABS plastic shell,with one reed,the logo is colourful.Very nice looking for children's play or gift or promotion.price is very competitive.It's item,it has toy safty test report. 16 holes aluminum board toy harmonica bee