Sweetnight CoolNest® Essential Memory Foam Queen Size Mattress 13 inch Cooling Gel Mattresses in a Box,CertiPUR-US Certified,Scientific Support,Medium

Experience all-night cool comfort and scientific support with the Sweetnight CoolNest— a medium firm gel memory foam cooling mattress in a box.Its advanced Cover boosts breathability by 35%, keeping you to cooler instantly. 7.5cm DM30 gel-infused memory foam absorbs heat for long-lasting cool and zoned pressure relief, easing back pain.The 360° Dynamic Support System combines soft comfort with stability: 5cm high-density foam prevents bottoming out, 20cm rebound foam (≥40%) ensures sag-free use for all body types and sleep positions.Certified by CertiPUR-US, Oeko-Tex & ISPA for non-toxic safety. Compressed in a box for easy setup (full expansion in 24-72 hours), backed by a 10-year warranty—ideal for hot sleepers, couples and back pain sufferers. Certified Safe & Healthy: This gel memory foam mattress is backed by CertiPUR-US, Oeko-Tex & ISPA certifications. Free of harmful substances, it creates a safe sleep environment for families, ideal for a mattress soft yet supportive sleep experience. Instant Cool: OEKO-TEX® COOLING Cover (cool-to-touch, 35% more breathable) wicks heat/sweat, keeping you up to 4°F cooler – a top choice for a mattress cooling solution. Long-Lasting Cool: 7.5cm gel-infused memory foam (gas swelling tech) absorbs/disperses heat, extending deep sleep by up to 15% for this 13 inch mattress 360° Dynamic Support & Pain Relief: 7.5cm gel foam (zoned pressure relief, spinal alignment); 5cm high-density foam (anti-bottoming); 20cm support foam (≥40% rebound, sag-free). Perfect for those seeking a medium soft mattress feel with targeted spinal alignment. Easy Setup: This 13 inch is compressed and shipped as a mattress in a box for hassle-free installation. Allow 24-72 hours for full expansion to reach optimal comfort and support. 10-Year Worry-Free Warranty: Backed by a 10-year warranty, ensuring durable quality and peace of mind. Our Mission: Simplify beautiful home life. Versatile Compatibility: This grey mattress works with slatted bases, metal frames, platform beds, floors, bunk beds & adjustable bases. It suits all rooms and sleepers Ideal For: Hot sleepers (thanks to the mattress cooling feature), couples, heavier individuals, back pain sufferers, and side/back/stomach sleepers. Perfect for anyone seeking a mattress that blends comfort, support and safety.