1. Double layer noise reduction, filtering sound waves, allowing all noise to subside. Wearing it immediately quiets you down and helps you sleep deeply. Wearing it keeps you away from noise. 2. Wearing a comfortable and comfortable side sleep without pressure on the ear, with a soft texture, providing peace of mind and comfortable sleep. 3. Soft silicone healthy material with , preferably made of silicone material, takes care of . 4. It can be washed with water and reused. After use, it should be cleaned thoroughly to protect the health of the ear canal. 5. The transparent shell is small and convenient to carry, and the transparent box packaging is convenient to carry. Model Number:Noise Silicone Cancelling Earplugs Feature 1:Ear Plugs For Sleeping Anti Noise Feature 2:Washable, Easy To Clean, Can Be Reused Colour:Black Material:Silica gel Size:27.8x22.2x14.6mm Package Contents: 1pair * Silicone Earplugs 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.