NineLan Orthopaedic Double Mattress 4FT6 for Back Pain Relief, 8.7 Inch Hybrid 5-Zone Pocket Sprung Mattress with Cooling Gel Memory Foam &【Medium-Firm Comfort & Premium Pocket Spring Support】The NineLan double mattress features an exclusive independent pocket spring system, delivering 2x the pressure resistance for precise full-body support. The parallel spring layout ensures optimal spacing for superior airflow. Built for longevity, our premium 1. 8mm anti-rust steel coils passed 100,000-cycle compression tests with <2% deformation and a 15,000N system pressure test. These whisper-quiet springs adapt to your body, maintaining natural spinal alignment and relieving back pressure. With reinforced edge support to prevent sagging, it offers outstanding pressure distribution for a perfectly balanced "medium-firm" sleep experience.【The "Breathing" Mattress: Ultimate Airflow Design】We naturally lose up to a cup of moisture every night, causing trapped heat and dampness. To combat this, NineLan double memory foam mattress features a dual-breathability system: a luxurious, high-density knitted surface paired with an advanced 3D mesh border. The ultra-smooth knitted cover quickly wicks away night sweat, while your natural movements actively push hot air out through the side mesh. This synergy allows the mattress to "breathe," circulating fresh air continuously. By naturally resisting mold and dust mites, it ensures a clean, dry, and cool sleep environment all year round.【Premium 3-Layer Foam System for Ultimate Comfort】The NineLan 4ft6 mattress features a meticulously crafted three-layer foam structure for your ideal sleep. The top layer uses convoluted high-rebound gel memory foam. Its wave design and cooling gel work together to dissipate trapped heat, keeping you refreshingly cool all night. Next, the bamboo charcoal-infused memory foam naturally neutralizes odors and resists allergens, ensuring a clean, hygienic sleep environment. Finally, the high-density polyurethane base delivers durable, sag-free support. This unique tri-foam system perfectly balances cooling, hygiene, and lasting stability, guiding you into a deeper, more restorative sleep.【5-Zone Pressure Relief & Ergonomic Support】Designed to alleviate back pain and body fatigue. The orthopaedic mattress features a premium, luxuriously soft quilted surface that gently cradles your body. Inside, our advanced 5-zone independent pocket spring system delivers precise, head-to-toe support. It intelligently adapts to your unique contours, maintaining your spine's natural "S-curve" just like when you are standing. By evenly distributing body weight and eliminating pressure points, it allows for effortless movement and quick rebound throughout the night. Experience uninterrupted, restorative deep sleep and wake up completely refreshed.【365-Night Risk-Free Trial & Smart Mattress-in-a-Box】Take a full year to decide. We handle the process and cover all costs - you won't spend a penny. The mattress arrives vacuum-compressed and neatly rolled in a compact box, making it incredibly easy to carry to your bedroom and set up.
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