King Size 12" Hybrid Mattress - Gel Memory Foam & Pocket Springs, Medium Firm Feel, Motion Isolation, Pressure Relief, CertiPUR-US

<p><strong>💫Sleep Healthier with NEGYLIM: Certified Safe, Science-Backed Comfort</strong></p> <p>Upgrade your sleep with a mattress designed for real people and real bodies. NEGYLIM delivers clinically studied comfort that adapts to all body types and sleep positions—whether you're a back, side, or stomach sleeper.</p> <p><strong>🛡️Your Health &amp; Safety Come First</strong><br>We believe a good mattress should be good for you. That's why every NEGYLIM mattress is OEKO-TEX STANDARD 100 Certified and CertiPUR-US Certified, meaning every layer has been rigorously tested for over 1,000 harmful substances—so you can breathe easy, literally.</p> <p><strong>✅Trusted by Over 150,000 Sleepers</strong><br>From materials to workmanship, NEGYLIM is built with your long-term comfort in mind. Join 150,000+ happy sleepers who've made the switch to cleaner, safer sleep.</p>

• Hybrid Construction 🏷️
  The NEGYLIM 12-inch king mattress combines cooling gel memory foam with responsive individually wrapped pocket coils for a popular medium-firm feel—perfect for all sleep positions.

  Advanced Comfort Layers 🏷️
  Gel memory foam actively draws heat away for a cooler sleep, while transition and supportive foams add plush contouring. The non-slip, breathable base layer enhances overall mattress stability.

  Pressure-Relieving Support 🏷️
  Wake up pain-free. The NEGYLIM king mattress features gel memory foam and multi-layer support foam that work together to cushion pressure points and maintain healthy spinal alignment.

• Supportive Core 🏷️
  High-density support foam paired with an ultra-dense base foam reinforces proper spinal alignment and prevents sagging for long-lasting durability.

  Motion-Isolating Coils 🏷️
  Individually wrapped pocket coils respond independently to movement, providing targeted support while isolating motion transfer—so you won't be disturbed by a restless partner.

  Breathable Cooling Cover 🏷️
  The 14-inch mattress is wrapped in breathable, skin-friendly 3D soft knit fabric that promotes airflow and heat dissipation, helping you stay cool and comfortable all night.

• Reinforced Edge Support 🏷️
  Engineered with reinforced edges for superior stability, this mattress provides a consistent sleep surface edge-to-edge and makes getting in and out of bed easier.

  Safety & Certifications 🏷️
  Sleep safer with a built-in fire-resistant layer compliant with 16 CFR Part 1633. Every NEGYLIM mattress is OEKO-TEX STANDARD 100 Certified and CertiPUR-US Certified—meaning every component is tested for over 1,000 harmful substances. Trusted by over 150,000+ happy sleepers!

  Convenient Delivery 🏷️
  Greoo hybrid mattress is shipped in a box and requires 24-72 hours for full expansion after unboxing.