Solved my slippage problem.
I was originally fitted for 7mm tips for my Starkey hearing aids but they started slipping out after a couple days. Cleaning daily it kept happening. I tried what they term sport retainers but no change. I was hesitant as these were a 2mm jump in size, but they are perfect. Stay in, are very comfortable and are Starkey spec originals. If your supplier fitted you with standard 7mm size but you have slippage issues these may be your answer. You may want to ask your supplier to check the fit in your ear but they will charge you much more to buy from them if you need 9mm
Rating: 5 stars