The Bose Ultra Open earbuds silicone case cover protects your favorite audio accessories. Designed for open earbuds, its soft silicone material shields against scratches and bumps as you go about your day. An included aluminum carabiner clips to your bag for hands-free carrying, keeping your earbuds at your side for tunes anytime. You can guard your earbuds in style and bring your music with you wherever the day takes you.