I've never used it. It was given to me. I have many other items for sale too ☺︎ ▶▷▶ #rin’s shop ----------------------------- ✔ Instant purchase without comment is welcome✩*⋆ ✔ Midnight/early morning silent purchase OK! ✔ Bundle discount, repeat customer discount, and follow-up discount are available, so feel free to comment♡ ̖́- ✔ All items are free shipping ◎ Since it is inspected by an amateur, there may be errors in the description. The actual product image is the correct one. ----------------------------- 57/60 Quiear (Quire) [Recommended by sleep improvement professionals] Earplugs for sleep, soundproof, silicone, 2 pairs, 32db reduction, unisex, sleep aid, noise reduction measures, earplugs (gray) 1000