Color
Texture
Blue cobalt color straight weft is a bold choice for buyers who want vivid fashion color in a sleek human hair format. It suits salons, resellers, and wearers who need a straight sew-in look with neat wefts and fuller ends.
Blue cobalt color straight weft is a straight Remy human hair weft with double weft construction, thick ends, and visible lengths from 08 to 26 inches. It suits buyers who want bold fashion color in a smooth sew-in format, while GreatHair presents itself as a Vietnamese supplier offering factory-direct support and OEM/ODM services.
Why Choose Blue Cobalt Color Straight Weft
Choose this product for its strong visual impact and practical structure. The images show straight texture, double weft construction, and thick ends, which help the hair look fuller and cleaner in installation.
Many buyers worry about color inconsistency, tangling, or excessive shedding when ordering bright shades online. This option is presented as Remy human hair, and the visible finish looks smooth, even, and more suitable for long wear than synthetic-looking alternatives.
Benefits for Styling and Daily Wear
This weft works well for sleek installs, middle parts, layered cuts, ponytails, and soft waves. Straight texture is also easier to brush, blend, and maintain, especially for clients who want a polished daily look.
For wholesale and salon buyers, double weft and thick ends add practical value. They help reduce complaints about thin tails, weak durability, and hair that looks good in photos but disappoints in real use.
Why Vietnamese Hair Is Premium
Remy hair is generally valued because intact, one-directional cuticles help reduce matting and keep hair smoother in wear. GreatHair also describes itself as a Vietnamese factory-direct supplier with quality control and OEM/ODM support, which matters for buyers who want better batch consistency and clearer communication.
Because this is a vivid blue shade, buyers should treat it as a processed fashion color rather than raw natural hair. That makes honest guidance, sample checking, and realistic care advice especially important.
Best Hairstyles with Blue Cobalt Color Straight Weft
The best match is a sleek straight install. It also suits blunt ends, long layers, half-up styles, high ponytails, and loose waves styled carefully below 180°C, based on the care instructions shown in the image.
| Specification | Details |
|---|---|
| Product name | Blue cobalt color straight weft |
| Material | Remy Human Hair |
| Texture | Straight |
| Color | Blue cobalt |
| Weft type | Double weft |
| Ends | Thick end |
| Length | 08–26 inch |
| Care notes | Hand wash only, warm water, sulfate-free shampoo, towel wipe, below 180°C |
Partner with GreatHair
GreatHair presents itself as a Vietnamese human hair supplier focused on factory-direct communication, stable quality control, and OEM/ODM development. For brands, salons, and wholesalers, that makes cooperation more transparent and reduces the risk of fake supplier claims or inconsistent repeat orders.

Contact GreatHair Today
- WhatsApp: (+84) 81 328 2399
- Facebook: greathair.manufacturer
- Instagram: great.hair.manufacturer
- Address: 8, Alley 20/45 Phu Minh Street, Minh Khai Ward, Bac Tu Liem District, Hanoi, Vietnam
Frequently Asked Questions
Is this suitable for sew-in use?
Yes. It is a weft product, and the image clearly shows double weft construction.
What lengths are available?
The visible length range is 08 to 26 inches.
Will the hair shed or tangle?
Any colored human hair needs proper care, but double weft structure and regular gentle maintenance help reduce those issues.
Can I use heat tools on it?
Yes, but the care image recommends keeping temperature below 180°C.
How should I wash it?
Hand wash with warm water and use sulfate-free shampoo.
Can I recolor it?
It is already a fashion shade, so any further chemical processing should be tested on a small section first.
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How long do you take to make it?
For orders that require production, the average production time varies depending on the type and quantity of the items. On average, it takes around 7-10 days for production.
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How do you ship to me?
"I will ship to you by DHL/UPS/FedEx/EMS. Besides, If you have your shipping agency, I will ship to your agency, then they will ship to you)"
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How long does it take to ship? When will i receive hair?
"After receiving your payment we will prepare the hair to ship. When it’s ready, I will ship it immediately and it can take 3 -5 days to ship. It takes about 2-4 days to ship to Euro, Russia, Australia, American and about 4-5 days ship to Africa."
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What does double drawn and super double mean?
Our double drawn range means thick and voluptuous hair from top to bottom. This is in contrast to the natural ends like our own hair has, which may be thinner towards the bottom.
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My Great hair is shedding. What should i do?
Some shedding is normal within the first couple wears, just like your own hair! But if you feel your hair are shedding excessively, please feel free to contact us.
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how do i track my package?
You will be emailed a shipment confirmation email along with a tracking number to track the shipment of your package. In some circumstances, this tracking number is not a step by step tracking rather a delivery confirmation.
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How long will last hair?
The lifespan of Great Hair is anywhere from 6 - 12 months, depending on their usage and how they are cared for and maintained.
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Can hair be dyed?
"""Our extensions consist entirely of 100% human hair that has undergone a unique dyeing process. While our products are designed to accommodate color application, we highly recommend seeking the advice of a skilled and experienced colorist. It's important to note that dyeing could potentially impact the longevity of your Great Hair extensions and could result in damage if not executed correctly. We also strongly advise against attempting any form of lightening or using bleaching agents. For our Balayage or Ombre sets, we must emphasize that dyeing is not recommended. These particular sets have undergone multiple processing stages, which makes them less suitable for dye application. Due to their extensive processing history, these sets do not respond well to dyeing attempts."""
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HOW DO I WASH MY EXTENSIONS?
The best way to wash your extensions is by gathering all the hair strands together into one ponytail. Then run the ponytail under lukewarm water. Squirt a nickel size worth of shampoo into your palm and lather into hair. If needed, rinse and repeat until the shampoo begins to lather. Next, apply conditioner combing it through the hair using a wide tooth comb to distribute the product evenly and rinse again. Finally, we recommend letting your extensions air dry by using a hanger. The picture below will show you what your hair extensions should look like after they dry. We recommend the Daily Duo-Pure Care Shampoo & Conditioner for Human Hair by BeautiMark, and Cleansing Duo-Shampoo and Conditioner for Synthetic Hair by BeautiMark.
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WHEN SHOULD I WASH MY HAIR EXTENSIONS
We recommend washing your hair extensions every 6-8 wears using the appropriate product for synthetic or human hair. Extensions don’t accumulate oils the way our natural hair does so washing it more often than this can weather the fibers and damage your extensions.
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