12-Inch King Size Hybrid Mattress in a Box with Gel Memory Foam, Back Support, 100-Night Trial, Medium Firm

About this item

• Targeted Support: Enhanced coils and additional lumbar foam prevent sinking in specific areas like the hips and lower back. This hybrid mattress in king size improves spinal alignment and offers increased pressure relief, reducing back pain.
• SLEEP YOUR WAY. SIDE, BACK, OR STOMACH：KOULABRZ 12 inch King Size Hybrid Mattress adjusts to you. The soft, pressure-relief plush top(low-resistance foam and gel memory foam) layer cradles every contour. The dynamic wrapped pocket coils improve spinal alignment
• STAY COOL, SLEEP NATURALLY：The 12 inch mattress is comfortable, breathable, and natural. It effectively wicks away steam and sweat from the contact surface, keeping your body comfortable and dry throughout the night. The king mattresses independent pocket spring system enhances air circulation, preventing trapped heat for a cool and comfortable sleep.
• MOTION ISOLATION, SLEEP UNDISTURBED：Responsive coils enhance support and isolate movement—perfect for couples and pet lovers. With reinforced edges, you can enjoy every inch of your mattress without the fear of rolling off.
• CertiPUR-US WORRY-FREE WARRANTY: All memory foam is CertiPUR-US certified and tested. The KOULABRz queen mattress in a box comes with a 10-year warranty. We recommend allowing your new mattress to fully expand within 72 hours. Keep a safe distance when unboxing, as the king mattress may expand rapidly and pose a risk. For any assistance or issues, please contact our customer support team.