NightyNight Firm King Mattress 14 Inch Hybrid Mattress King Size Bed in a Box for Back Pain Relief and Cool Sleep with Gel Foam, OEKO-TEX STANDARD 100 and CertiPUR-US Certified

<div>The NightyNight 12-inch King Size Hybrid Mattress is crafted to deliver a balanced, comfortable, and healthy sleep experience for American. Combining premium gel memory foam with individually wrapped pocket springs, this mattress features an 8-layer hybrid design that strikes the perfect medium-firm balance - ideal for relieving pressure, supporting spinal alignment, and ensuring undisturbed sleep.</div> <div>Designed with advanced comfort and functionality in mind, the mattress integrates cooling gel memory foam to regulate temperature, preventing overheating throughout the night. Its supportive core, made of high-density foam and a ultra-dense base, reinforces spinal alignment and resists sagging, while the individually wrapped pocket coils provide exceptional motion isolation - perfect for couples or light sleepers who don't want to be disturbed by their partner's movements.</div> <div>The mattress is covered in a breathable, skin-friendly 3D soft knit fabric that enhances air circulation and heat dissipation, keeping you cool and comfortable even on warm nights. Reinforced edges add extra support, preventing edge sagging when sitting or sleeping near the mattress edges, and a built-in fire-resistant safety layer ensures compliance with 16 CFR Part 1633 standards for added peace of mind.</div> <div>Prioritizing your health, every component of the NightyNight hybrid mattress is certified by OEKO-TEX® STANDARD 100 and CertiPUR-US®, meaning it has been rigorously tested for over 1000 harmful substances - free from toxic chemicals, ensuring long-term comfort and safety for you and your family. Conveniently shipped in a box, the mattress requires 48-72 hours of expansion after unboxing to reach its full size and comfort.</div> <div><strong>Product Specifications</strong></div> <div>Mattress Type: Hybrid Mattresses</div> <div>Mattress Comfort Level: Firm</div> <div>Mattress Coil Type: Pocketed</div> <div>Mattress Top Type: Euro Top</div> <div>Bed Size: King</div> <div>Material: Cooling Gel Memory Foam, Fire-Resistant Cotton, High-Density Foam, Individually Wrapped Pocket Spring</div> <div>Mattress Thickness: 12 in</div> <div>Features: Mattress-in-a-Box, Breathable Construction, Cooling Technology</div> <div>Brand: NightyNight</div> <div>Age Group: All</div>

• Core Highlights of NightyNight Hybrid Mattress
  🛏️ 8-Layer Hybrid Design: Combines gel memory foam and individually wrapped pocket springs for a medium-firm feel, balancing comfort and support.
  ❄️ Cooling & Breathable: Gel memory foam + 3D soft knit fabric promotes air circulation and heat dissipation, keeping you cool all night.
  💆 Pain & Pressure Relief: Multi-layer foam design effectively relieves body pressure and promotes spinal alignment, reducing back and joint pain.
  🛡️ Certified Safe: OEKO-TEX® STANDARD 100 & CertiPUR-US® certified, tested for 1000+ harmful substances, safe for long-term use.
  🔒 Stable & Durable: Reinforced edges + high-density base foam prevent sagging; motion isolation coils ensure undisturbed sleep.
  📦 Convenient Delivery: Shipped in a compact box, easy to unbox and expand (48-72 hours for full expansion).
• The NightyNight 12" King Size Hybrid Mattress is the perfect choice for anyone seeking a comfortable, supportive, and healthy sleep solution - whether you're a side, back, or stomach sleeper, it adapts to your body shape and provides the support you need for a restful night's sleep.
• Note: Please make sure the mattress is not different before tearing the vacuum package, if there is any difference, please make sure to contact customer service at the first time to deal with it. We promise a long time warranty service for the mattress, as follows: 1. Since the date of signing the order, the mattress overall warranty 1 year; spring part of the warranty 10 years. 2. Warranty period, such as the mattress has any collapsed (the center of the mattress, the edge of the collapsed loss of more than 10%) ringing, deformation, please contact customer service at the first time to deal with it.