[50 Pairs] Ear Plugs for Noise Canceling

• 50 or 150 pairs of individual bagged premium quality earplugs for easy storage and carrying with.
• Made of super low-pressure comfy foam, it slowly releases and gently fills the ear canal, creating a secure seal for excellent hearing protection in loud workplaces and job sites.
• With a high Noise Reduction Rating (NRR) of 38dB, it effectively protects hearing in loud events or sets up a quiet environment for sleep.
• Great for reducing noise during sleeping, studying, working, travel, concerts, relaxation, motorcycling, hunting loud events, etc.
  

User Guides:

1. Roll (not squeeze) earplugs to a very thin tube.
2. Insert into your internal ear canal quickly.
3. Hold in the place for about 20s to wait for the earplugs to expand.