Hiibaby&reg; 30 pcs Ear Plug with 10 tubes Siemens Resound BTE Hearing Enhancer Fitting Eartips Domes (size S M L) 1. This Universal Quick-Fit BTE (Behind-the-Ear) hearing Enhancer Accessory Domes and Tube Kit comes with on 2. After connecting the preferred dome size to the tube, you can then match up the proper length of 3. Due to the low-profile design, this kit provides one of the most discreet, but well-sealed fittin 4. Plus, there is no comparison in cost. At 10% or less the cost of tradtional BTE earmolds, this wi 5. Buy with confidence, and enjoy!Thank you and we look forward to doing business with you!