3 Different sizes: these hear aid domes have 3 sizes, namely small (8 mm), medium (10 mm) and large (12 mm). The diameter of the hole is 2mm,Suitable for most BTE hearing aids; You can choose the suitable and comfortable one to wear according to your actual needs

Sufficient for daily uses and replacement: you will receive 30 packs of hearing direct domes, which can meet your different needs, daily uses and replacement, and enough for you to share with others who indeed need; Please confirm the size before purchase

Comfortable and reliable material: these resound domes are made of silicone materials, which are soft and comfortable, safe and practical, not easy to deform, served you for long-term use

Lightweight and portable to carry: these medium power domes are very lightweight and small, allowing you to carry around when you go out, you just need to put them in a small case, and then, put them in your pocket or a bag, and don't occupy too much space

Keep clean at time: in order to avoid dust or wax attached to domes, it is necessary to regularly clean and replace your large power domes, so that you keep a clear hearing experience