Graphene Oxide on Ultra-flat Thermal SiO2 Substrate

Graphene Oxide on Ultra-flat Thermal SiO2 Substrate

Marsoni

M251S

$681.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Graphene Oxide on Ultra-flat Thermal SiO2 SubstrateGraphene oxide on the #21620 55 Ultra flat Thermal SiO2 Substrates is offered to use as a research ready experimental platform. The graphene oxide covers the complete 5 x 5mm diced substrate. Total usable area is approximately 70%. Available with single and 2 layer graphene oxide packaged in a Gel Pak box under class 10 clean room conditions. 5 x 5mm Diced Ultra flat Thermal SiO2 Substrates with Graphene Oxide

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Nice pillows for the price. I got the medium thickness and it’s a little stiff, but I think once slept on, it should soften up a bit, but if you like a softer or flatter pillow, definitely go for the soft one. But the quality seems to be very well-made. It puffed up straight out of the package. It didn’t have any smell whatsoever, and it fit perfectly in my standard size shams.

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Reviewed in the United States on March 22, 2025

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Krystal Cruz

Boise, US

★★★★★ 3

Loved them but may not last too long

Size: Standard (2 Pillows + 2 Protectors), Style: Medium, Configuration: Pillows + Protectors

I’m kind of torn on these. I love them and I want to buy more because they were very affordable and very comfy! I’ve had them less than six months and they lose their plumpness after a few nights sleep but they are easy to fluff back up. They are pretty thick and firm but form to your head and neck perfectly..for me at least. I’ve tossed them in the washer and dryer and they have been fine. Fluffed right back up perfectly. The material inside seems to be clumping together now. it’s easy to fluff them back out but you can notice the spaces where they’re starting to clump and even though they can be fluffed again it does seem they are starting to become compacted and I find myself having to fluff them more often. I’ll see how much longer they’ll last, but I will buy again because they are pretty comfortable. I love the covers they came with also. They stay cool and wash easy! Overall, great for the price, maybe not in the long run if you continue to buy, but I’ll see how much longer they’ll stay in good shape!

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Reviewed in the United States on November 14, 2025

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heidinicole

San Leandro, US

★★★★★ 5

Best pillow!

Size: Standard (2 Pillows + 2 Protectors), Style: Medium, Configuration: Pillows + Protectors

These are the most comfortable pillows ever. I would recommend going with the medium fill.

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Reviewed in the United States on May 10, 2026

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Maureen M.

Lake Worth, US

★★★★★ 5

So comfortable!

Size: Standard (2 Pillows + 2 Protectors), Style: Medium, Configuration: Pillows + Protectors

The best pillow I've ever gotten. I always slept on two pillows and now I only need this one. The height is perfect and it is so comfortable. I highly recommend this pillow for people like me who could never find the right one.

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Reviewed in the United States on May 12, 2026

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Belleville, US

★★★★★ 5

Feel like I am in hotel

Size: Standard (Pack of 2), Style: Soft, Configuration: Pillow

These pillows are absolutely amazing! They feel just like the luxurious ones you find in high-end hotels—soft, fluffy, and super comfortable. They provide great support for my head and neck, helping me sleep better every night. The white design is clean and classic, and they hold their shape well without going flat. I bought two and couldn’t be happier—worth every penny! Highly recommend for anyone wanting hotel-quality comfort at home.

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Reviewed in the United States on April 1, 2026