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Crayan King Mattress, 12 Inch Memory Foam Hybrid Mattress in a Box, Individual Pocket Spring Mattress for Pressure Relief, Motion Isolation, Silent Sleep, Breathable, CertiPUR-USCY is a professional mattress manufacturer with 20 years of experience, dedicated to providing customers with the ultimate comfortable sleep experience. By clever combination of soft and comfortable fabrics and advanced support technology, a luxurious and comfortable hybrid mattress is created. To ensure that your sleep is not affected by heat, CY hybrid mattress features a breathable design. Breathable fabric and mattress structure can promote air
CY is a professional mattress manufacturer with 20 years of experience, dedicated to providing customers with the ultimate comfortable sleep experience. By clever combination of soft and comfortable fabrics and advanced support technology, a luxurious and comfortable hybrid mattress is created. To ensure that your sleep is not affected by heat, CY hybrid mattress features a breathable design. Breathable fabric and mattress structure can promote air circulation, keeping you cool throughout the night. The independent pocket springs is the core of our mattress, designed to provide full body support, relieve pressure on various key parts of the body, and provide you with a comprehensive comfort experience. At the same time, independent pocket springs technology ensures that your activities with your partner do not interfere with each other, creating a peaceful sleeping atmosphere. We are confident in the quality of CY hybrid mattresses, so we provide you with a 100 night trial sleep guarantee, allowing you to shop and sleep worry free.
- Soft and Breathable: Compared with mattresses made of ordinary fabrics, Crayan king size mattress uses soft and breathable fabrics, and the built-in independently wrapped coil structure can enhance the air circulation in the mattress, keeping you cool and comfortable all night long. Reduce feeling stuffy and uncomfortable during sleep.
- Effective motion isolation: Crayan hybrid mattress features hundreds of independent pocket springs, which effectively reduce movement transfer and avoid interference with partners. Even if your partner is active in bed frequently, you can still enjoy quiet sleep.
- Pressure Relief: Crayan mattresses combines independent pocket springs and memory foam, which can effectively reduce pressure on key areas such as the shoulders, waist, and hips, bringing you a more comfortable sleep experience and reducing the burden on the body.
- CertiPUR US Certified: Memory foam used in Crayan mattress has gone through CertiPUR-US certification, and has been tested to ensure it does not contain harmful substances. This helps to ensure that the mattress has no negative impact on your and your family's health during long-term use.
- king Mattress in a Box: This king mattress comes compressed in a box and can be easily transported to your door. Remember to keep enough distance from the mattress when unfolding, and please be patient and wait 48-72 hours for full expand. It works on a variety of frames such as box springs, slatted bases, flat platforms, bunk beds, and even floors.
- Mattress Use Guide: 1. Remove the compressed mattress from the box. 2. Place the mattress on the bed frame and cut the layer of plastic. 3. Pull the mattress out of the plastic and let it expand. 4. Wait for 48-72 hours of fully expand, then enjoy it.
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4.0 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 5
A Worthy Touchstone for Anyone Who Wants to Master Unity
Format: Paperback
Harrison Ferrone’s Learning C# by Developing Games with Unity 6 is one of the strongest beginner-to-intermediate Unity guides I’ve read: carefully structured, patient in its explanations, and quietly packed with insight about how Unity 6 and C# truly work together. I read the physical edition while sitting in front of a blank Unity project, and the experience felt like having a seasoned sailor point out the currents of a river I’ve been navigating for years. You see the familiar terrain differently.
The book’s early decision to spend real time on C# fundamentals is a welcome choice. Most Unity books skip past the language; Harrison slows down, defines concepts, and gives you enough clarity that when you finally enter Unity, you understand why things behave the way they do. Those chapters are dense in the best way: they prep beginners to stand on solid ground and give experienced users a clean, refreshed mental model of the language under the engine.
Ferrone’s real strength is his voice. He strikes a balance I rarely see in technical writing: conversational introductions that explain what you’re about to learn and why it matters, followed by crisp, accessible technical walkthroughs. The pacing (explanation → example → implementation) is excellent. And the inclusion of ready-to-use assets removes one of the biggest barriers for new developers who want to understand systems without getting lost creating placeholder art.
The book doesn’t talk down to anyone. It makes Unity feel more accessible without flattening its complexity. Beginners will come away with genuine competence; advanced users will appreciate the clear framing of new Unity 6 tools and the subtle recognition of how AI-assisted coding is shaping modern workflows. It’s a guide you can read once for understanding, then keep at your desk as a reference.
If you’re a serious hobbyist, a technically inclined beginner, or someone who’s ready to work through your first real project, this is the Unity book I’d hand you first. It bridges concept and execution with clarity and confidence, and it does so with a tone that feels patient, practical, and quietly encouraging. In a space crowded with copy-paste tutorials, Harrison Ferrone has written a Unity 6 guide with real staying power.
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Reviewed in the United States on December 16, 2025
★★★★★ 4
Pretty good beginner book, very user friendly covers Development and Design
Format: Paperback, Format: Paperback
I enjoy learning Game Dev, but I research books because many authors promise a lot and deliver half or not at all and I have to put the book down. This book was pretty good. I appreciate the author explaining things, and remember he's writing a book for beginners. There's also a good amount of pics in the book, and I dislike a book with no pics. Also, he breaks it down very simply and explains that you're not going to learn the entire Unity ecosystem, but rather a beginner-level understanding to get a person started. I enjoyed this book and will definitely go over particular info again. They have a Discord group and a newsletter with tips and it also goes over Game Design. I was surprised to see this, and maybe it's new to me, and I like the analogy of explaining complex terms. A con of the book is that as it progresses, it starts to come off as advanced in scripting, and I turned to AI for additional explanations. Still, the author did explain in advance that it's about to get more advanced, but that's me going deeper into the meaning and explanations. Other than that, it's a good read that you will go to more than once and has practical info to help you on your Unity journey.
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Reviewed in the United States on December 1, 2025
★★★★★ 5
This is a game changer in Unity!
Format: Paperback
The amazing part about this book is how it begins. It tells you which Unity, VS (Visual Studios), and which C# versions you should use for best results. This in my thoughts are the most important part when programming, know which ones to use to make your experience the best it can be.
There are exclusives in this as well. This book has some major pics to show those who are visual learners and that is a great asset as most people need to see it and use it in order to understand what they are doing. Books sometimes leaves this important thing and some get lost in the reading and put those types of books down and never pick them up again.
I read through this book and found things that intrigue me and make me want to literally just get into it until I'm done reading and using the pics to guide me through.
This book also works with MacOS as well. I'm not much into that operating system but I know many who prefer that and that is awesome that this teaches this way as well.
This even has pop quizzes for you to do to enhance the effects of learning and I am sure this would be a book that would be used in schools if it were offered as a preferred reading/teaching structuring the class for success.
I have said it before in my reviews that this is again another great book to add to your collection. Each book of this type is something that should be purchased or gifted to someone to make their lives easier when it comes to programming and the way this book does it's teaching style it makes programming that much easier and more fun.
So many things in this book I don't have enough room or a way of putting it into words. Best tog eab this book and enjoy every part of it and I promise it won't be a waste of money.
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Reviewed in the United States on November 15, 2025
★★★★★ 5
Great for getting into Unity and mastering it
Format: Paperback
Sometimes I mentor students who are just getting started in Unity. This is a great resource I can use to help them along.
The book has a great start by covering topics like what is a variable, how to call a function, classes, and OOP. There is even some tricks on how to debug your code which a lot of people struggle with. For statements this books covers all of them, if, else, for, switches, etc. Other books don't explain OOP well enough but with book goes over it very well and explains what the difference between a value and reference type is. Towards the end there are a bunch of project examples like making a player, shooting projectiles, and creating a user interface. This book is very up to date and uses Unity 6.
If you just started learning Unity then this is a must have book.
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Reviewed in the United States on November 13, 2025
★★★★★ 5
Code at your own pace to develop great games
Format: Paperback
Creating games isn’t intimidating thanks to this gem of a book. Easy to read and follow, the knowledgeable author makes learning C# fun and helps readers gain confidence, proving even a novice has what it takes to make a game. In addition, the author provides pop quizzes to ensure readers can measure their new-found knowledge before moving onto a new chapter. This hands-on approach is helpful and prevents readers from missing key components. Since my coursework never addressed connecting to the server and pulling data, I found chapter 13 to be of great interest and help. It was interesting to learn what happens behind the scenes and gave me valuable tools to explore, demonstrating this book is advantageous for both novices and professionals. There’s always something new to learn.
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Reviewed in the United States on November 15, 2025
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