Features: *Effectively reduces pressure on the ear canal, soft and mini size design, suitable for a variety of different ear canal shapes long time wearing without causing ear discomfort, best seal. *27DB: The role of this silicone earplugs is to effectively filter noises and reduce noise damage to hearing. With aluminum case(four colors optional), easy to store and carry. *It plays a certain role in the treatment of otitis media and anti-tinnitus. Reduce the noise on the human nervous system interference. Effective isolation of noise, give you a clean world. *Non-allergenic Waterproof: It is made from safe odorless skin-friendly pure silicone material, washable and can be used repeatedly without deformation. *It is suitable for on the airplane, swimming, sleeping rooms, self-study classrooms, factory, construction site, downtown area, etc. to avoid noise interference. Discounted at only: US$ 7.1 
