



Vivid reviews from our supporters (Click)
I couldn't help but say, "Wow, this is really cool!"🧊
I couldn't help but say, "Wow, this is really cool!"🧊


I've tried several cooling products, but this one stays cool for a long time, so it's definitely different!


After trying it, it was so cool that I'll be purchasing more.❄️



Since the part where my head touches is cool, I can sleep comfortably.😊



To get straight to the point, I'm extremely satisfied! It's a must-have for people who get hot easily.














The Q-max value may vary within a certain range depending on the measurement environment (temperature, humidity), contact conditions, and timing of the test.
Even with the same fabric, there may be differences within a certain range.
It's something that touches your body,
You can't just use anything!





























The reason we started preparing this project is,
"What should the temperature for perfect sleep look like?"
Hello,This is Ptei Sleep Lab, designing the temperature of sleep. We research the optimal sleep environment to create a pleasant morning.
True restful sleep cannot be achieved by just one factor. Not only a pleasant temperature against your skin, but also the right thickness that gently wraps your body, the soft texture that touches your skin, and the sense of security that puts your mind at ease. Only when all these elements are in perfect harmony can we truly enter a state of deep rest.
The Ptei Sleep Research Institute has analyzed countless data and sensations over the past four years to find this 'balance of sleep.' Achuchu™️ is the result of that research, a comprehensive sleep solution that will keep your nights most comfortable and peaceful.Comprehensive sleep solution.
This project we are presenting has the following story.
① [Body Temperature Maintenance Technology] Comfortable temperature that lasts until morning
The pleasant coolness you feel the moment you touch it continues throughout your sleep. Ptei's unique 'air circulation channel' structure helps maintain your body temperature consistently and comfortably. This technology preserves the initial freshness even as time passes.
② [Three-Dimensional Design] The science of a 'three-layer structure' that helps release heat
Simple fabrics cannot handle the body heat that accumulates while you sleep. The Ptei Sleep Research Institute has introduced a special triple-layered structure with clearly defined roles for each layer.Special triple-layered structure has been introduced.
Top layer: A high-density surface that fully absorbs the cool energy upon contact
Middle layer: An 'air tunnel' structure that allows air to flow smoothly and transfers heat
Bottom layer: An 'open ventilation structure' designed so that heat can escape immediately without staying
This three-stage three-dimensional design allows the heat generated by your body to flow freely all the way to the bottom without being trapped. As a result, your body temperature remains stable while you sleep, and a pleasant comfort is maintained until morning.
③ [Ultra-precise Texture] A sensation 3.5 times softer than silk
We have created a delicate texture so your skin can feel relaxation first. According to measurements by the Ptei Sleep Research Institute, it is3.5 times smoother than silk It has been recorded. The delicate texture, crafted with high-density weaving technology, soothes even the most sensitive senses and guides you into a deep sleep.
Hello, supporters!
This is Achuchu Maker Ptei Sleep Research Lab.

- Nice to meet you.I am Kevin Junki Kim, CEO of Ptei Sleep Research Lab, speaking.
For the past four years, we have focused solely on the field of 'summer sleep.'
During that time,with over 60,000 units sold and sales exceeding 5 billion KRW, we have been researching the essence of cooling bedding.
These numbers go beyond simple sales performance,and mean that our designs have been proven in over 60,000 bedrooms. The data and feedback accumulated through countless user experiences have become the most powerful standards for perfecting Achuchu™️.
We were not satisfied with just numerical performance, but adjusted even the subtle sensations felt in real bedrooms, pouring all our know-how into this project.
A fresh morning without stickiness, even in the middle of summer.That is the very sleep experience Achuchu aims for.
The reason we came to Wadiz is
- "To reach those who truly value quality sleep first."
In the price competition of open markets, the 'research process for quality sleep' can easily be overlooked. However, Wadiz supporters are those who appreciatethe maker's philosophy and efforts behind the results. It is.
Ptei Sleep Research Institute proposes a new standard for sleep, and we want to begin this journey together with our supporters. With the optimal temperature we have designed, we hope you wake up feeling more refreshed than anyone else this summer.
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