50 Pairs and 50 Boxes Silicone Ear Plugs NRR 28dB Hearing Protection Waterproof Features: Blue silicone earplugs in clear plastic box, safe listening, enhanced music, up to 28dB Reduction. A compact and INEXPENSIVE way to reduce sound levels around you while still maintaining the ability to hear clearly. Ideal for anyone who works in loud environments, attends parades, motor sports or athletic events down to people who may want to study or sleep in peace. These earplugs reduce sound by up to 28dB across all frequencies. By reducing sound evenly the earplugs reduce the risk of hearing damage but also keep music and speech clear and natural not muffled. The earplugs are configured to replicate the natural response of the ear canal so that sound comes through exactly as it should only quieter. Also, these are great for swimming. Specification: Material: silicone Color: Blue NRR: 29db Ear Plugs Size: 28x11mm Box Size: 35x29x14mm Net Weight: 5g Package Includes: 50 pairs 100 pieces Silicone Ear Plugs 50 plastic transparent cases Soft earplugs for travel, sleep, swimming, work and other activities. These earplugs provide perfect ear protection from noise and water. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store