Only tried on once. I'm selling it because it didn't quite fit. The following is the product description: Brand: Loop Color: Black Material: Silicone Recommended Use: Hearing Protection Sizes: XS/S/M/L Style: In-Ear Powerful Noise Reduction - The soft silicone Quiet 2, with an SNR value of up to 24dB, blocks out noise comfortably and stylishly. You can be enveloped in a bubble of silence wherever you are, improving sleep quality, concentration, and stress-free travel. Quiet 2 is recognized as a certified hearing protector and protects your ears from noise. Ultra-Comfortable Fit – These lightweight, reusable earplugs made of soft silicone provide dream-like comfort day and night, even for side sleepers. Four sizes of ear tips (XS/S/M/L) are included, ensuring a perfect fit even for small ears. Ideal for Sleep, Concentration, etc. – Quiet 2 instantly reduces noise and protects hearing in all situations, such as sleep, concentration, relaxation, travel, commuting, and noise sensitivity. Loop earplugs are easy to clean and long-lasting. Ease of Use – The Quiet 2 comes with adjustable ear tips in different sizes and is easy to insert. It provides optimal noise reduction while ensuring all-day comfort. Simply insert, twist to secure, and enjoy life at your own volume. When worn correctly, the Quiet 2 will not stick out of your ears. Package Contents – Loop Quiet 2 earplugs x 1 set, Quiet 2 ear tips x 4 pairs (XS/S/M/L), and a convenient Carry Case x 1.