Firm King Mattress Dual Firmness: 2 Bonus Pillows, Double Sleep Flippable Medium Firm & Firm, Cool Gel Memory Foam for Back Pain, CertiPUR-US Oeko-Tex Certified Cover, Made in USA, 80x76x12 Inch

【12 Inch Firm & Medium Firm Optional】Tired of guessing firmness? Dual firmness mattress, flip to choose. This queen size mattresses lets you flip between medium firm and firm so you can 【Extra Support 4 Layer Memory Foam Mattress】Our dual firmness king firm mattress built with a 4-layer memory foam to balance comfort and stability, The high-density memory foam structure 【Dual Sleep Cover & Breathable Cool Design】Advanced breathable, green tea infused memory foam top layer enhances airflow for a fresher feel. Beneath it a cooling gel memory foam layer works to dissipate body heat. The entire core is wrapped in a dual-sided, zippered cover: use the cooling silk side for a remarkably cool touch, when the weather turns cooler, switch to the other side for a cozier, skin-friendly surface. 【CertiPUR-US Certified & Fiberglass-free Inner Liner】The 12 inch king size mattress is CertiPUR-US certified, and the cover is OEKO-TEX certified. A fiberglass-free inner liner wraps very firm king size mattress core to offering peace of mind with every night's sleep. 【2 Bonus Pillows & Warm Customer Service】Get two premium memory foam pillows included. Your memory foam mattress will be in a box for easy delivery and setup. Wait 24-72 hours for it to fully expand to its original shape. Any light new-foam smell typically fades in 2–7 days with ventilation. We stand by you with 24/7 support from our U.S. customer care experts.