SKU: 90995986530

Mason Black Optical

Sale price$134.10 Regular price$149.00
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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15

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Description

Mason Black OpticalMason Black Square Shape Frame Color: Black Lens Color: Demo lenses 2 Year Warranty Technical Information: Hand Polished Width Nose Gap Height Measurements of this pair: 145 22 48 mm Hinge: Five barrel Lenses: Flat base 0 Front thickness: 4. 8 mm Temples thickness: 3. 5 mm Lenses Technology: CR 39 Custom Made Lenses CR 39 is made by polymerization of diethyleneglycol bis allylcarbonate (ADC) in presence of diisopropyl peroxydicarbonate (IPP)

Mason Black | Square Shape

- Frame Color: Black
- Lens Color: Demo lenses  
- 2-Year Warranty

Technical Information:

Hand Polished
Width-Nose Gap-Height Measurements of this pair: 145-22-48 mm
Hinge: Five-barrel
Lenses: Flat - base 0°
Front thickness: 4.8 mm | Temples thickness: 3.5 mm

Lenses Technology:

✓ CR-39 Custom-Made Lenses

CR-39 is made by polymerization of diethyleneglycol bis allylcarbonate (ADC) in presence of diisopropyl peroxydicarbonate (IPP) initiator.
"CR-39" is an abbreviation of Columbia Resin 39. CR-39 has the highest Abbe value of any lens. An Abbe value defines the chromatic aberration of material, and this effect is generally more noticeable in peripheral vision than when looking through the center of a lens. Resin raw is injected into lenses mould. After that, the anti-scratch coating is applied.

  • Anti-scratch technology.
  • Unique colors, with over 4+ tests to achieve the final result.
  • Gradient colors with smooth transition.
  • All DE products have V-Groove (Removable Lenses - Technical feature that allows lenses to be removable, in order to add prescription etc)

+ Metal Parts.

Metal Core wire with IP plating that prevents oxidation and wear.

✓ 100% UV Protection.
The lenses we use, have a UV protective coating with maximum filtration against harmful sun rays.

✓ Lenses Category: 3.

The bigger the category number of lenses, the better. Category 3 in lenses, is considered better than categories 2 & 1. This is because they provide extra protection from both visible and UV light. These lenses allow less than 20% of visible light to penetrate the lens. This means that they will block out 80%+ of light. Category 3 lenses are considered some of the best lenses in the optical industry.

Acetate Technology:

✓ Italian (Mazzucchelli) Acetate.
Our Acetate Materials are coming from some of the biggest acetate factories in Europe. Fabricated from wood pulp and cotton.

Mazzucchelli 1849, is an Italian Company based in Castiglione Olona, and is a worldwide leader in the manufacturing and distribution of sheets made of Cellulose Acetate, polymer of natural origin, traditionally used in the production of optical and sunglass frames. Cellulose acetate is a modified natural polymer. To obtain Cellulose Acetate Mazzucchelli starts with the selection of renewable sources such as certain varieties of trees and cotton linters. From these sources the purest part of the cellulose is extracted which is subsequently treated with Acetic Anhydride and transformed into Cellulose Acetate powder.

✓ Engraved DE logo on the temples.
Every pair has the engraved logo, product name, and measurements on both temples.

Comes with a luxury box, eco-leather case, and cleaning cloth.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 90995986530

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4.6 ★★★★★
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A
Verified Purchase
Amazon Customer
San Leandro, US
★★★★★ 5
Cool and comfortable
Color: Olive Green, Size: King
Very happy with these sheets very comfortable cool and the color is just like the picture.And they fit my pillow top mattress
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Reviewed in the United States on May 20, 2026
M
Verified Purchase
Millie
Draper, US
★★★★★ 5
Comfy crisp sheets
Color: Grey, Size: Queen
I'm very particular about my sheets. These have a nice feel to them and are very comfy.
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Reviewed in the United States on June 3, 2026
K
Verified Purchase
KayPar
San Leandro, US
★★★★★ 5
Bedsure has impressed me again.
Size: King (104" x 90"), Color: Linen (No Comforter), Size: King (104" x 90"), Color: Linen (No Comforter)
Giving this a five star because it’s the millionth Bedsure bedding I have bought for my home. I absolutely love this company for its affordability and the quality of their products. I recently purchased the Mellow temp control duvet and needed a good quality cover. I immediately went to bedside and found this baby. It’s 100% organic cotton, you can verify it with the cards that are included and the color is perfect! I ordered the King size in the color Linen for my queen size bed because I like my comforters to hang off the sides. Out of the package, the cover was soft and has zero smell. I did wash it as instructed on a cold wash with both detergent and softener then dried on a no heat tumble for about 50 mins x I wouldn’t say this is wrinkle resistance right out of the dryer but the minimal wrinkles do not bother me as I’m sure it will smoothen out overtime. The quality of this feels soooo good, I can not wait to jump into bed later. Nothing makes me happier than a comfy cool bed and cool room at nights. I love that this has a zipper instead of buttons or ties. It gives the bedding a more cohesive look. My husband is not easily impressed with bedding the way I am and his comment was “this is so soft”. As you can see in the photo, my cat immediately took up residence on the bed as soon as I made it up.
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Reviewed in the United States on April 17, 2026
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mcKate
Draper, US
★★★★★ 5
Soft cotton duvet that washes well.
Size: Queen (90" x 90"), Color: Linen (No Comforter)
I love these cotton duvets. I ordered many of them. They last a long time they wash well they are soft and come in so many colors. Good value for the price.
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Reviewed in the United States on May 17, 2026
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Adam
Birmingham, US
★★★★★ 5
Great Quality
Size: King (104" x 90"), Color: Charcoal (No Comforter)
These are great, they fit great and have a nice weight and texture, bought twice and both were great.
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Reviewed in the United States on May 30, 2026

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