12 King Size Hybrid Mattress in a Box with Gel Memory Foam - for Superior Support and Pressure Relief (100 Night Trial)

About this item

• Choose your preferred sleeping position: side, back, or stomach on the KOULABRZ 12 inch King Size Hybrid Mattress. Experience personalized comfort as the plush top layer conforms to your body while the pocket coils enhance spinal alignment.
• SUPPORT WHERE YOU NEED IT MOST (ZONE SUPPORT): Enhanced coils and extra lumbar foam work together to prevent sinking in the hip and lower back areas. The king size spring hybrid mattress promotes better spinal alignment and provides added pressure relief, helping you experience reduced back pain every night.
• 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.
• 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.
• 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.