King Size Mattress,12 Inch King Mattress in a Box,Superior Hybrid Mattress with Gel Memory Foam or Back & Lumbar Support ,100 Night Trial,Soft,Pressure Relief,Zoned Support spring, Medium Firm

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 each and every contour. The dynamic wrapped pocket coils give a boost to spinal alignment
SUPPORT WHERE YOU NEED IT MOST (ZONE SUPPORT): Enhanced coils and extra lumbar foam work together to prevent sinking within 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 each and 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 all the way through 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 support reinforce and isolate movement—perfect for couples and pet lovers. With reinforced edges, you’ll be able to enjoy each and 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 protected distance when unboxing, as the king mattress would possibly expand hastily and pose a risk. For any assistance or issues, please contact our customer reinforce team.