ONE SETS FOR ALL NEEDS: In our packaging, there is 1 set of noise cancelling earplugs, 4 colors of triangle mutes, S/M/L size ear tips (silicone/foam material), 1 handy storage case, 1 lanyard, 1 ear shadow. It is convenient to carry them around and wear them anywhere anytime!. DURABLE & RELIABLE & WASHABLE: ONITOON earplugs are made of environmentally frrendly silicone material, which is reliable and durable. The washable design is easy to clean. DIY-CHOOSE YOUR EARPLUGS: These earplugs have 4 pairs of silent rings in fashionable colors, namely green, black, orange, and blue. Our colors can be customized according to our uses. For example, we can use orange in bars, and black for travel, and outdoor sports. Blue, green for work and study, etc. EASY & COMFORT TO WEAR: Our earplugs are integrally molded according to the cochlea of the human body, and are equipped with 3 pairs of memory ear caps and 3 pairs of silicone ear caps. They are available in three sizes: S, M, and L. You can quickly find a suitable size according to the size of your cochlea. Easy and comfortable to wear and does not hurt the ears. SUITABLE FOR DIFFERENT PURPOSE : Earplugs are very versatile. For example, in high-decibel situations such as concerts and bars, they can protect our hearing well and allow us to have fun. This high-fidelity earplug can also ensure our concentration when working or studying. , can also help our sleep not to be disturbed, and is also a good companion for us on business trips. NOISE REDUCTION & HEALTH PROTECTION: ONITOON quiet earplugs are high-fidelity, noise-reducing earplugs that can very well protect your hearing from the impact of high noise by the unique silent design. They have a noise reduction rating (SNR) of 25 decibels.