Material:The product is made of silicone material, soft, waterproof, three layers soundproof and waterproof.
Product Color: black, white, yellow, pink, orange, gray, red, blue.
Usage Improve sleep, concentration, protect hearing and so on. It is a good helper for you to be free from noise interference at home, dormitory, self-study classroom, traveling by car and boat, airplane, factories, construction sites, busy urban areas, etc.
Efficacy Smooth surface, wear hygiene, safety, soft, sound insulation effect is good.
Packaging: contains eight different colors of earplugs