Describe Features: 1.Efficient noise reduction The sleeping soundproof earplugs are made of high-quality soundproof materials to effectively reduce external noise, such as traffic noise, snoring, conversation, etc., to help create a quiet sleeping environment. 2.Comfortable fit The earplugs are ergonomically designed, and the soft material fits the ear canal. They can be worn for a long time without pressure, and are suitable for side sleeping or back sleeping. 3.Breathable and hygienic Some earplugs are breathable to avoid stuffiness in the ear canal. At the same time, the material is antibacterial and anti-allergic, suitable for sensitive people. 4.Portable The earplugs are small and light, easy to carry, suitable for travel, office or home use and can be washed and reused many times. 5.Diverse choices Different sizes, materials and noise reduction levels are available to meet different user needs, such as high noise reduction, low noise reduction, memory foam, etc. Comment: 1. Manual measurement tolerance is 2-5g. Please don't mind your substitution. 2. Due to differences between different monitors, the image may not reflect the actual color of the item. Thank you so much! 3. SKU color is the color of product packaging Package includes:Sleeping noise isolation earplugs*1box