Compact Silicone Earplugs with Case #Pupu'sRecommendations #CollectionOfColors Comfortable fit with soft silicone material that doesn't feel constricting. They stay in place even when you toss and turn, ensuring a good night's sleep and supporting comfortable rest. Soundproof Earplugs with Case (1 pair) Material: Silicone Uses: Noise reduction, soundproofing Size: 2 x 2.5 cm [Related Keywords] Outdoor, tent camping, hut stays, work, study, concentration [Target Audience] Elementary school students, junior high school students, high school students, university students, superiors, seniors, teachers, people in their teens, 20s, 30s, 40s, 50s, 60s, 70s, 80s, 90s, grandparents, children to seniors, all generations and ages. Travel goods, relaxation goods Earplugs, sleep aids, sleep earplugs, noise prevention, noise reduction, noise reduction rating 32dB, study, work, airplane, washable, reusable, silicone earplugs, noise reduction