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Shipping Information
Shipping Information
USA: 7–10 business days
UK: 7–10 business days
Australia: 7–10 business days
Canada: 7–10 business days
Europe: 7–10 business days
Rest of world: 14–20 business days
Once shipped, please allow 7–10 business days (to be safe) for domestic US shipping and 10–15 days for worldwide shipping.
Return & Refund Policy
Return & Refund Policy
We stand behind our product with a 60-day results guarantee.
If you don’t love your results, contact us at info@zivven.com for a hassle-free refund.
To be eligible, items must be returned within 60 days of delivery. For more details, please see our full Return Policy page.
Why People Love TintaFlex™

1,000+ Happy Customers
Free Shipping!
1,000+ Happy Customers
Free Shipping!
1,000+ Happy Customers
Free Shipping!
1,000+ Happy Customers
Free Shipping!
1,000+ Happy Customers
Free Shipping!
1,000+ Happy Customers
Free Shipping!
1,000+ Happy Customers
Free Shipping!
1,000+ Happy Customers
Free Shipping!
1,000+ Happy Customers
Free Shipping!
1,000+ Happy Customers
Free Shipping!
1,000+ Happy Customers
Free Shipping!
1,000+ Happy Customers
Free Shipping!
1,000+ Happy Customers
Free Shipping!
1,000+ Happy Customers
Free Shipping!
1,000+ Happy Customers
Free Shipping!
1,000+ Happy Customers
Free Shipping!

Money-Back Guarantee
We put our our money where our mouth is.
If your unhappy with TintaFlex™, You're eligible for a 100% refund within 30 days
TintaFlex™ vs Other Brands
  | Zivven | Others |
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Manual Lens Tint Control |
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Designed for Light Sensitivity & Migraines |
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UV & Blue Light Protection |
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One Pair for Indoors & Outdoors |
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No Batteries or Charging Needed |
FAQ's
How do I adjust the tint on my TintaFlex™ sunglasses?
How do I adjust the tint on my TintaFlex™ sunglasses?
Simply use the built-in dial on the frame to manually adjust the lens darkness to your preferred level—no waiting for auto-tinting!
Are they suitable for people with migraines or light sensitivity?
Are they suitable for people with migraines or light sensitivity?
Yes! TintaFlex™ is designed specifically to help those with light sensitivity and migraine sufferers by allowing quick, easy control over lens tint.
What kind of lenses do TintaFlex™ sunglasses use?
What kind of lenses do TintaFlex™ sunglasses use?
Our sunglasses feature advanced electro-optic lenses that provide smooth and reliable manual tint adjustment.
What is the return policy if I’m not satisfied?
What is the return policy if I’m not satisfied?
We offer a 30-day satisfaction guarantee. If you’re not happy with your TintaFlex™ sunglasses, you can return them for a full refund.