Made by Oticon. These are for Oticon hearing aid models: Ria, Ria2, Nera, Nera2, Alta, Alta2, Opn1, Opn2, Opn3, Siya1 and Siya2, OpnS 1, OpnS 2, OpnS 3, Ruby1, Ruby 2. There are 10 domes per pack, 20 domes Total.
***Oticon Recently updated their packaging to a two-tone black and white package. The domes have NOT changed they are the exact same, the only thing that’s changed is the packaging.***