*FACTORY SEALED* FSNSTSM 12 Inch Twin Hybrid Mattress in a Box - Gel Memory Foam & Pocket Springs for Support & Pressure Relief, CertiPUR-US Certified, Fiberglass-Free (38x75 Inches)

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• Gel Memory Foam + Pocket Springs: Dual Support for Comfort & Pressure Relief This 12-inch Twin hybrid mattress pairs cooling gel-infused memory foam with durable individually wrapped pocket springs. The gel memory foam conforms to your body to ease pressure points (shoulders, hips, lower back), while pocket springs deliver targeted support to keep your spine aligned. Enjoy balanced comfort that works for side, back, and stomach sleepers—no more morning stiffness.
• CertiPUR-US Certified & Fiberglass-Free: Safe Sleep You Can Trust This mattress is CertiPUR-US certified (free of harmful chemicals like formaldehyde and heavy metals) and 100% fiberglass-free. Eliminate worries about irritation or health risks—rest easy on a non-toxic, safe sleep surface every night.
• Mattress in a Box: Easy Setup for Any Space Shipped compressed, rolled, and vacuum-sealed in a compact box, this 38x75 inch Twin mattress fits through narrow hallways and stairs (great for dorms, guest rooms, or kids’ rooms). Just unbox, lay it on your bed frame (slatted bases, platforms, box springs all work), and let it expand to full size in hours—no heavy lifting or pro setup required.
• Cooling Design for All-Night Comfort The gel-infused memory foam does more than support—it cools, too. Gel beads absorb and dissipate excess body heat, while the foam’s open-cell structure and breathable pocket spring layer boost airflow. Prevent overheating on warm nights to stay cool, dry, and asleep longer.
• Durable Build for Long-Lasting Use Made to handle daily use: high-density gel memory foam resists sagging and keeps its shape, plus rust-resistant pocket springs maintain consistent support. Whether for everyday sleep or guest use, it retains its medium-firm feel and performance—so you get years of comfortable, supported sleep.