Please refrain from price reductions or individual sales m(_ _)m Contents: 2 pairs (4 pieces), 1 carrying case Will be shipped in simple packaging (o・ω・o) [Product Description] Japan's first smooth-in type earplugs. Unlike traditional earplugs, there's no need to roll and compress them. Simply twist and gently push them in for easy and smooth insertion, ensuring excellent hygiene. Once inserted correctly, they expand without protruding, effectively cutting out noise. Sound insulation performance: 29dB. Easy insertion with new material: Quick-In "Wearing earplugs" - just that simple act can lead to better sleep, improved concentration, and increased efficiency in business/study! Use them during train, bus, or airplane travel for a restful sleep during your journey. They're also effective for sleeping in the same room as someone who snores loudly. ● Effectively cuts out irritating and harmful high-frequency noise. ● Noise from busy intersections (85-95dB) is reduced to below 60dB, comparable to a quiet office. Quality Information / Earplugs: Thermoplastic elastomer Case: Polypropylene