








Ruoysun 12 Inch California King Mattress, Cal King Size Hybrid Bed Mattress in a Box, Individual Pocket Spring with Memory Foam, Premier Comfort Sleep, Motion Isolation, CertiPUR-US Certified, Firm
Price History
Product Recommendation
Experience Unmatched Comfort with Our Premier Comfort Firm California King Mattress
Transform your sleep into a luxurious retreat with our Premier Comfort Firm California King Mattress, designed for ultimate relaxation and support. Crafted with skin-friendly, breathable 3D knitted fabric, this mattress delivers a cloud-like touch that gently contours to your body, relieving pressure points and ensuring cozy comfort all night long. Say goodbye to restless nights—every sleep feels like sinking into a plush embrace.
Stay cool and refreshed thanks to our innovative hybrid cooling gel memory foam and pocketed springs. The advanced cooling technology actively regulates body temperature, dissipating heat efficiently to prevent overheating. Whether you’re a hot sleeper or simply crave a cooler night’s rest, this mattress keeps you comfortable in any season.
Engineered for optimal spinal alignment, our precision support system provides targeted relief to different body zones, adapting seamlessly to your movements in any sleeping position. Wake up free from aches and pains—our mattress promotes healthy posture while reducing back discomfort for rejuvenating mornings.
Enjoy undisturbed sleep with our quiet, motion-isolating design. The individually wrapped pocket springs minimize movement transfer, so you and your partner can move freely without disruptions. Plus, the noise-free construction ensures peaceful slumber night after night.
Convenience meets comfort—this 12-inch Cali King mattress arrives compressed in a box for easy delivery and setup. Simply unbox, slice open the vacuum packaging, and let it expand fully within 24-48 hours for premium sleeping bliss right at home.
Backed by 24/7 customer support, we’re here to answer any questions before or after purchase—because your satisfaction is our priority.
Upgrade your sleep today for just $369.99! Don’t miss this opportunity to invest in unparalleled comfort and support—your best night’s rest awaits!
Key Features
- ▶Premier Comfort Firm California King Mattress: Skin-friendly breathable 3D knitted frabic offers a cloud-like touch, ensuring a soft and cozy embrace throughout the night. It gently contours to your body, relieving pressure points and enhancing comfort, making every sleep a luxurious experience
- ▶Cooling Hybrid Gel Memory Foam and Pocketed Springs: Innovative cooling gel-infused foam technology actively regulates body temperature. It effectively dissipates heat, preventing overheating and maintaining an optimal sleeping climate, allowing you to enjoy a cool and refreshing sleep
- ▶Pressure Relief and Stable Construction: Precision-engineered support system is designed to maintain natural spinal alignment. It provides targeted support to different body zones, corresponding support according to the gravity of body parts in different sleeping positions, and adjusts to your sleep movements at any time, reducing back pain and promoting healthy posture, waking you up feeling rejuvenated
- ▶Quiet and Low Motion Transfer Systems: Built with a noise-free structure, the mattress ensures undisturbed sleep. The pocketed springs system minimizes motion transfer, allowing you and your partner to move freely without disturbing each other, for a peaceful slumber
- ▶12 Inch Cali King Size Bed Mattress In a Box: Comes in a compact box for easy transportation and home delivery. The installation process is simple - just open the box, unfold it, carefully slice through the vacuum packaging, and then stay away to wait for expansion, preferably give it 24-48 hours for full expansion, after which it will provide you with superior sleeping comfort
- ▶Reliable Customer Support: Whether you have pre-purchase questions or post-purchase concerns, feel free to ask us a question with our 24/7 customer service support team








