The first picture is a product picture, the other pictures are sample displays Note: The actual packaging box may be different from the one shown in the picture Features : 1. PVC-Free, Tested And Certified No plastic ingredients are added, so it won\'t irritate the ear canal. 2. Advantage Of Slow Rebound Sponge Unlike traditional sponges, this slow rebound sponge earplugs have a full rebound time of 160s, and will not cause problems such as ear plugging, ejection from the ear and poor closure due to the fast rebound earplugs. 3. High-density Small Holes Design Effectively Reduce Noise And Maintain Breathability. 4. Soft & Lightweight The earplugs are soft and shapeable and will not squeeze your ears or cause problem like ear plugging. 5. Ergonomic Design The arc sponge earplug design of the bullet head can fit the ear canal well and form a noise barrier. 6. Washable, Reusable, Long Service Life  The earplugs can be reused after being washed and completely dried. The service life of the earplugs is 2 to 6 months, It is recommended to replace the earplugs about 1-3 months. It is normal for earplugs to lose their slow rebound characteristics after washing, and they need to be placed in a cool and ventilated place to be restored after drying. (Usually 1-2 days). So frequent washing is not recommended. How to wear earplugs correctly? Step 1: Roll The Earplugs Roll the earplugs back and forth into a uniform slender strip, the thinner the better. Note: Please do not roll the earplugs into a flat shape, which is difficult to insert into the ear canal. Step 2: Lift The Auricle Use both hands to wear at the same time, one hand goes around the back of the head and lifts the upper auricle to straighten the ear canal, while the other rotates to slowly insert the rolled-up earplugs into the ear canal. Step 3: Wait For 10s To 30s Hold down the bottom of the earplug with your fingers for 10s to 30s. The earplugs will rebound slowly, and you can release the finger until it expands to fill the ear canal. package included: 4 * Earplug or 10 * Earplug (Optional) 1 * Storage Box 1 * Retail Box