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)


    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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