Firm King Mattress Hybrid 12 inch King Size Mattress in a Box - Cooling Ice Silk & Gel Memory Foam, Back Pain Relief & Cool Night, Individual Pocket Springs, Fiberglass-Free, CertiPUR-US
Product details
| Management number | 220953076 | Release Date | 2026/05/03 | List Price | US$160.00 | Model Number | 220953076 | ||
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- Firm Mattress & Support for Sleepers: The King mattress designed with 7.5/10 firmness that expertly balances support and cushioning. It contours to the body, give pressure relief, with just the right amount of sinkage to cradle shoulders and hips. Ideal for couples with different weights, its adaptive layers ensure both partners enjoy personalized support
- Cooling Ice Silk Top for All-Night Comfort: The 12" firm cooling mattress crafted with certified premium materials, features ice silk cooling fabric for instant cool sleep and "temperature-balancing" gel memory foam—20% more breathable than traditional foam. The honeycomb-patterned gel layer dissipates heat effectively, keeping backs sweat-free even in
- Motion Isolation for Uninterrupted Sleep: Hybrid mattress King featuring independent pocketed springs reduces motion transfer by 89%, ideal for couples. Each spring acts separately to absorb movements, while reinforced edges and eggshell foam block 95% of vibrations. The King size mattresses are Idea for light sleepers, kids, or adults—enjoy undisturbed sleep all night
- Luxury Comfort & Durable Design: JUSTROOMY Mattress featured Euro top delivering cloud-like softness, while gel memory foam contours to your body for cool, enjoy pressure-free sleep. Multi-layer construction combined with high-density carbon steel springs ensures noiseless resilience and long-lasting support, making it a reliable choice for years of comfortable sleep
- Certified & Simple To Set Up: This firm King mattress certified by CertiPUR-US, OEKO-TEX & ISPA—Fiberglass-free, low VOCs. Shipped conveniently in a box, the firm mattress expands quickly after unboxing. Allow 72 hours for it to fully regain its shape and comfort. Compatible with most bed frames, including box springs, slatted bases, metal frames, and platform beds. CA/OR/RI/CT: Price includes mandatory state mattress recycling fee (per law), remitted to MRC for environmental recycling. CA: $18, OR: $22.5, RI: $22.5, CT: $16
| Size | King |
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| Color | Grey |
| topstyle | Euro Top |
| Brand Name | JustRoomy |
| Model Name | 12" Hybrid King Size Mattress |
| Style Name | 12“ Cooling Firm Mattress |
| Item Weight | 111.5 Pounds |
| Manufacturer | JUSTROOMY |
| Model Number | Firm King Mattress |
| Fill Material | Hybrid |
| Material Type | Hybrid + Memoey Foam |
| Item Dimensions | 80 x 76 x 12 inches |
| Construction Type | Hybrid |
| Additional Features | Cool Ice Silk Top Cover |
| Age Range Description | Adult |
| Item Firmness Description | Firm |
| Product Care Instructions | Irremovable cover; do not dry clean; use a mattress protector |
| Item Dimensions L x W x Thickness | 80"L x 76"W x 12"Th |
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