How do I select the correct size?

Blocc comes in two sizes: Medium and Large. The width for both is identical and provides a universal fit for adults, but the overall lengths are slightly different:

  • Medium: 5.2”, 133mm
    (Recommended for women)
  • Large: 5.5”, 140mm
    (Recommended for men)


Is Blocc FDA-registered?

Yes, Blocc is registered and listed as a personal protective equipment with the U.S. Food and Drug Administration for FY 2021 pursuant to Title 21, CFR Part 807 of the United States Code of Federal Regulations.

Device Listing:

  • Proprietary Name: Blocc
  • Listing Number: D424889
  • Regulation Number: 878.4040
  • FDA Product Code: LYU


Does Blocc offer UV protection?

Yes, Blocc has been tested for transmittance and blocking of ultraviolet radiation by the Korea Testing & Research Institute under KOTITI Number 82211045102434. Below are the test results:

UPF Level: 253.7
UPF (Ultraviolet Protection Factor) is a standard used to measure sunburn protection. UPF level of over 50 is categorized in the "excellent" category. Blocc's figure far surpasses this standard.

UV-A Protection Level: 92.1%
UV-A (Ultraviolet A) is associated with premature skin aging and proven to contribute to the risk for skin cancer.

UV-B Protection Level: 99.9%
UV-B (Ultraviolet B) is associated with skin burning. As with UV-A, it is proven to contribute to the risk for skin cancer.

To learn more about the Korea Testing & Research Institute, visit


Is Blocc Available on Ebay, Etsy, Lazada, or Shopee?

No. The authentic Blocc is not listed on e-commerce sites other than our official Amazon Store. Similar-looking variations distort and harm your vision and cause severe dizziness due to poor engineering.
 Watch video 


Does Blocc fog up?

Blocc is coated with anti-fog and anti-scratch coatings to mitigate fogging and minor scratches on the surface (Please note that the coatings may wear off overtime).


Can Blocc replace a face mask?

No, Blocc cannot replace a face mask. The CDC does not recommend using face shields or goggles as a substitute for masks. We advise that you wear Blocc in addition to a face mask for full protection.


Can I wear prescription glasses with Blocc?

You can wear most glasses together with Blocc.


Can I adjust the nosepiece?

Yes. The nosepiece is easy to bend, as it is made of impact-resistant polycarbonate. You can adjust it freely to fit the shape of your nose.


Can I use alcohol or lysol wipes to clean Blocc?

No, Blocc should be rinsed with dish soap and warm water only.


What is Blocc made of?

Blocc is made of impact-resistant polycarbonate; the same material used to manufacture medical and military-grade accessories such as protective goggles. It also makes Blocc a lightweight, reusable face shield that provides glass-like optical clarity and visibility (Fun fact: NASA’s astronaut helmet for the Apollo moon landing in 1969 was also made from polycarbonate).


Shipping Policy

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Cancellation & Refund Policy

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