![King Mattress Firm, 14 Inch [New Version] Cooling Gel Memory Foam Mattress, Back Pain Relief, Ice Silk & Removable Fiberglass-Free Cover, Motion Isolation for Couples, Bed Mattress in Box](https://m.media-amazon.com/images/I/712T4V2kYtL._AC_SL1500_.jpg)
King Mattress Firm, 14 Inch [New Version] Cooling Gel Memory Foam Mattress, Back Pain Relief, Ice Silk & Removable Fiberglass-Free Cover, Motion Isolation for Couples, Bed Mattress in Box
Product details
| Management number | 213000390 | Release Date | 2026/04/12 | List Price | $36.00 | Model Number | 213000390 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- 【Firm & Pressure-Relieving Comfort】Built for sleepers who want stronger support, this firm king mattress (7.5/10) features a high-density support core and a 7-zone ergonomic design that reinforces key areas like the shoulders, lumbar, and hips. This memory foam mattress helps promote proper spinal alignment, cushion pressure points, and relieve back pain. Ideal for heavier sleepers, seniors, office workers, college, growing families. Tip: The Firm (Upgraded) version includes a removable cover for easier cleaning and maintenance.
- 【Sleep Cooler, Stay Drier】Experience lasting comfort with our 4-layer cooling system. It starts with a cool-to-the-touch, moisture-wicking IceSilk cover that’s removable and machine-washable for easy cleaning, followed by gel-infused memory foam to reduce heat buildup. An egg-crate airflow layer creates channels to move moisture and trapped warmth away, while knit side fabric helps vent heat 360° around the twin foam mattress. This cooling mattress supports a more stable sleep climate for hot sleepers, sweaty sleepers, and light-sleeping couples—less tossing
- 【Dynamic Response, Undisturbed Sleep】Upgraded HEXACELL dynamic-response memory foam uses a hex-honeycomb structure to adapt in real time to your curves and sleep-position changes, delivering steady, back-friendly support where discomfort often starts. High resilient foam layers absorb vibration and noise to reduce partner disturbance, while reinforced edges stay stable for sitting and sleeping near the sides. With a breathable build and cool-touch feel, hot sleepers and those with back or lower-back discomfort can relax into deeper, uninterrupted sleep all night
- 【USA Assembled & Certified Safe】Worried about what's in your king bed mattress? Sleep with confidence—proudly assembled in the USA. CertiPUR-US certified foam, an OEKO-TEX Standard 100 certified cover, and a 100% fiberglass-free inner liner support a cleaner, skin-friendly sleep surface. Copper, bamboo charcoal, and green tea help manage heat, moisture, and odors for lasting freshness. Backed by a 180-night trial, a 10-year warranty, and 24/7 GRBSY support for peace of mind
- 【Unbox & Sleep the Same Day】This 14 inch king mattress arrives vacuum-sealed in a compact, easy-to-carry box delivered right to your door—no assembly needed. Simply unbox and unroll, then let it expand within hours so you can enjoy a supportive sleep surface that same night. The portable box fits easily through hallways, elevators, and narrow doorways, making it ideal for new homes, apartments, lofts, dorm rooms, and everyday sleep
- 【High-Value Gel Memory Foam Mattress】Enjoy premium comfort with ergonomic support, a cooling feel, and certified materials at a budget-friendly price. Choose Twin, Twin XL, Full, Short Queen, King, or California King in 12" or 14" to suit different body types and fit standard frames, adjustable bases, dorms, and RV setups. King mattress in a box firmer for kids and students, balanced for couples with reduced motion transfer, and roomy and durable for families, pets, or heavier sleepers
| UPC | 671891238096 |
|---|---|
| Size | King |
| Color | White |
| topstyle | gel_top |
| Brand Name | Grbsy |
| Style Name | 14 Inch-Firm(Upgraded) |
| Item Weight | 97 Pounds |
| Manufacturer | Grbsy |
| Fill Material | Gel Memory Foam Mattress |
| Item Dimensions | 79.92 x 75.98 x 14 inches |
| Additional Features | Breathable, Cooling Comfort, Motion Isolation, Pressure-Relief & Spine Alignment |
| Age Range Description | Adult |
| Item Firmness Description | Firm(Upgraded) |
| Item Dimensions L x W x Thickness | 79.92"L x 75.98"W x 14"Th |
![King Mattress Firm, 14 Inch [New Version] Cooling Gel Memory Foam Mattress, Back Pain Relief, Ice Silk & Removable Fiberglass-Free Cover, Motion Isolation for Couples, Bed Mattress in Box](https://m.media-amazon.com/images/I/713AcBtvwsL._AC_SL1500_.jpg)
![King Mattress Firm, 14 Inch [New Version] Cooling Gel Memory Foam Mattress, Back Pain Relief, Ice Silk & Removable Fiberglass-Free Cover, Motion Isolation for Couples, Bed Mattress in Box](https://m.media-amazon.com/images/I/71Vy5Bnl8FL._AC_SL1500_.jpg)
![King Mattress Firm, 14 Inch [New Version] Cooling Gel Memory Foam Mattress, Back Pain Relief, Ice Silk & Removable Fiberglass-Free Cover, Motion Isolation for Couples, Bed Mattress in Box](https://m.media-amazon.com/images/I/71WuSdmDhZL._AC_SL1500_.jpg)
![King Mattress Firm, 14 Inch [New Version] Cooling Gel Memory Foam Mattress, Back Pain Relief, Ice Silk & Removable Fiberglass-Free Cover, Motion Isolation for Couples, Bed Mattress in Box](https://m.media-amazon.com/images/I/71AdRzo8vYL._AC_SL1500_.jpg)
![King Mattress Firm, 14 Inch [New Version] Cooling Gel Memory Foam Mattress, Back Pain Relief, Ice Silk & Removable Fiberglass-Free Cover, Motion Isolation for Couples, Bed Mattress in Box](https://m.media-amazon.com/images/I/71KYo3v8xOL._AC_SL1500_.jpg)
![King Mattress Firm, 14 Inch [New Version] Cooling Gel Memory Foam Mattress, Back Pain Relief, Ice Silk & Removable Fiberglass-Free Cover, Motion Isolation for Couples, Bed Mattress in Box](https://m.media-amazon.com/images/I/71hDd6kTyZL._AC_SL1500_.jpg)
![King Mattress Firm, 14 Inch [New Version] Cooling Gel Memory Foam Mattress, Back Pain Relief, Ice Silk & Removable Fiberglass-Free Cover, Motion Isolation for Couples, Bed Mattress in Box](https://m.media-amazon.com/images/I/711W7bsw+8L._AC_SL1500_.jpg)
![King Mattress Firm, 14 Inch [New Version] Cooling Gel Memory Foam Mattress, Back Pain Relief, Ice Silk & Removable Fiberglass-Free Cover, Motion Isolation for Couples, Bed Mattress in Box](https://m.media-amazon.com/images/I/71--D3W9R3L._AC_SL1500_.jpg)
![King Mattress Firm, 14 Inch [New Version] Cooling Gel Memory Foam Mattress, Back Pain Relief, Ice Silk & Removable Fiberglass-Free Cover, Motion Isolation for Couples, Bed Mattress in Box](https://m.media-amazon.com/images/I/71OuB2MZiDL._AC_SL1500_.jpg)
![King Mattress Firm, 14 Inch [New Version] Cooling Gel Memory Foam Mattress, Back Pain Relief, Ice Silk & Removable Fiberglass-Free Cover, Motion Isolation for Couples, Bed Mattress in Box](https://m.media-amazon.com/images/I/71QgV6F1RxL._AC_SL1500_.jpg)
![King Mattress Firm, 14 Inch [New Version] Cooling Gel Memory Foam Mattress, Back Pain Relief, Ice Silk & Removable Fiberglass-Free Cover, Motion Isolation for Couples, Bed Mattress in Box](https://m.media-amazon.com/images/I/71yumxc0eLL._AC_SL1500_.jpg)
![King Mattress Firm, 14 Inch [New Version] Cooling Gel Memory Foam Mattress, Back Pain Relief, Ice Silk & Removable Fiberglass-Free Cover, Motion Isolation for Couples, Bed Mattress in Box](https://m.media-amazon.com/images/I/717suSiRgnL._AC_SL1500_.jpg)
![King Mattress Firm, 14 Inch [New Version] Cooling Gel Memory Foam Mattress, Back Pain Relief, Ice Silk & Removable Fiberglass-Free Cover, Motion Isolation for Couples, Bed Mattress in Box](https://m.media-amazon.com/images/I/61imYXzCHmL._AC_SL1500_.jpg)
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