<p>NOISE REDUCTION - Earplugs are reusable and hearing protection, made from soft silicone. They reduce most noise and help you to get in your bubble. They have a noise reduction rating (SNR) of 25dB to 35dB.(Please note: The sleeping ear plugs can block some noise to a acceptable volume, but not totally silent) SAFE REUSABLE - The earplugs are made of super soft food-grade silicone material, which do not stick to dust and have a delicate touch, with good elasticity and memory function, and the ear plugs for sleeping noise cancelling can be pulled at without deformation. ERGONOMIC DESIGN - The silicone ear plugs can ly fit your ear shape \u0026 't fall off easily. Even if you lie on your side or turn over, The sleeping ear plugs not easy to slip off and no pain to wear for a long time. EASY TO USE - These earplugs are easy to insert and when you wear them correctly, they don't stick out of your ears. They come in 3 sizes (S M L), if your ears hurt, it is best to take a smaller size. If the earplugs do not reduce sound sufficiently or fall out, it is best to try on a size larger. HEARING PROTECTION - If you are interested in our ear plugs, please try them out and give yourself a comfortable experience. We believe it bring you a better quality of life.(Please note: If the earplugs do not reduce sound sufficiently or fall out, it is best to try on a size larger.) Colour:green Material:Silica gel Package Contents: 2 x Sleep Ear Plugs 12 x Ear Tips Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>