Experience Peace & Comfort with Sereva Noise-Reducing Earplugs. the Sereva Earplugs Are Designed to Provide Exceptional Comfort & Effectiveness, Making Them a Perfect Companion for Various Situations. with a Noise Reduction Rating of 36 Db, These Earplugs Effectively Cube Block Out Unwanted Sounds, Allowing You to Focus, Relax, or Sleep Undisturbed. Crafted From High-Quality Silicone, Sereva Earplugs Are Soft & Comfortable, Ensuring They Can be Worn for Extended Periods Without Discomfort. They Come with Three Sizes of Eartips, Allowing for a Customisable Fit for Different Ear Shape. Whether You’Re Sleeping, Working, Studying, or Travelling, These Earplugs Offer Reliable Noise Reduction to Suit Your Needs. Made Out of Rcs Certified Recycled Materials, Including Recycled ABS & Silicone. Rcs (Recycled Claim Standard) is a Standard to Verify the Recycled Content of a Product Throughout the Whole Supply Chain. Total Recycled Content: 74% Based on Total Item Weight. PVC Free. Minimum Quantities Apply.