Compliant with Ergonomic Design: Our special patented oval earplugs are ergonomically designed, the best fit in the ear canal, they can be molded into the ear cavity to maximize comfort and help provide a secure fit that effectively prevents noise reduction for a proper fit. With a special slit rod, easy to hold, very suitable for lying on your side, snoring, studying, working, etc. Lightweight comfort: Ergonomic earplugs are designed to stay in place even if you sleep on your side, and are made of soft, lightweight materials for a comfortable fit. In addition to being comfortable, let in necessary sounds (like an alarm clock) While excluding distracting sounds. Reusable and washable: it is equipped with a sturdy plastic casing that ensures safety and the cleanliness of the earplugs whether you are at home or traveling. Washable and reusable, wash regularly with warm and soapy water for long term use. For many occasions: soundproof earplugs, these versatile earplugs ensure that your hearing is safe from loud noises and are perfect for sleeping, snoring, swimming, learning, shooting, air travel, loud events, concerts, motorcycles, etc. Package contains: 5 pairs of earplugs