This is an accessory specifically for the Loop. It's a silicone part that reduces noise by 5dB. Please use it with the wider surface facing outwards. The outer bag will be disinfected before shipping. Anonymous shipping available for 694 yen. Related items: #kii_audio_ (100 yen discount for each additional item included in the tag) ★ No price negotiations ★ Priority to immediate purchasers Loop Mute