noise isolation with slow rebound memory foam earplugs, designed for comfortable wear and effective hearing protection during extended use. Crafted from memory foam that conforms to your ear canal; these earplugs are available in silicone and red memory foam options, with a convenient storage case. Ideal for music enthusiasts, students, and office workers who require a quiet environment. For use in noise sensitive environments such as subways, offices, and study rooms. What makes them stand out: Slow rebound memory foam provides a secure seal and effective noise reduction Comfortable for long sessions due to soft, adaptive material Practical storage case for portability and protection 23 practical use scenarios: Subways and other commutes: reduce ambient train noise to protect hearing and improve focus Study rooms and libraries: create a quiet space for concentration Openplan offices: minimize distractions and maintain concentration during work or meetings Key attributes: Function: noise isolation and hearing protection Compatibility: memory foam conforms to ear canal; available in silicone and red memory foam options Material: memory foam (and silicone option) Performance: designed for extended wear with durable construction and reliable noise reduction