$300 Upgraded 12" Hybrid King Mattress in a Box

Updated August 28, 2026

est.MSRP: $300 Condition: NEW- Brand: Hiboss Model: 12 IN MATTRESS HBA ASIN: B0H417NKXW Experience the Comfort of a Luxury Hotel With a firm feel, these luxury hybrid king size mattresses strike the perfect balance between plush comfort and firm support ideal for side, back, and stomach sleepers. It promotes healthy 7-zone spinal alignment to help relieve back pain, gently cradles your body and lets you wake up refreshed without morning stiffness. Premium Healthy & Comfortable Fabric Crafted with a soft Euro-top cover made from premium 4D knitted fabric, this king mattress is ultra-breathable and gentle to the touch. It is 100% fiberglass-free, certified by CertiPUR-US, and contains no irritating chemical odors creating a cleaner, safer sleep environment for you and your family. Cooling Gel Foam for Hot Sleepers Infused with cooling gel, the top foam layer of this king size memory foam mattress actively dissipates body heat and boosts airflow for a fresher night's rest. Multi-layer high-density memory foam helps release muscle tension, so you can fall asleep faster, stay asleep longer, and wake up feeling restored without overheating at night. Motion Isolation & Strong Edge Support This mattress king size features upgraded heavy-gauge pocketed springs for long-lasting durability and excellent motion isolation so you won't feel your partner tossing and turning. Reinforced perimeter coils and high-density foam strengthen edge support, letting you enjoy the full surface without sagging or rolling off. 12 Inch King Size Mattress This king bed mattress measures 80" L x 76" W x 12" Th and supports up to 1,200 lbs. Compatible with all standard King bed frames. This king mattress in a box ships compressed, rolled, and boxed for convenient delivery (Maintain a safe distance when unboxing, as the mattress may expand rapidly once opened).

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