JERFIT California King Size 12 Inch Cooling Gel Memory Foam Mattress, Medium Firm Support with CertiPUR-US Certified, Bed in a Box, White Gray

JERFIT CertiPUR-US Certified foam ensures high-quality, durable performance without harmful chemicals. Advanced cooling gel-infused memory foam layer pulls heat away for a cooler sleep all night. Premium Phase Change Material (PCM) cover feels cool on contact and regulates sleep temperature. Multi-layer all-foam construction provides targeted pressure relief and balanced medium-firm support. High-density base foam core offers exceptional edge support and long-term structural integrity. Shipped compressed in a box for easy delivery and hassle-free setup through tight spaces. Quick expansion to full 12-inch height within 24-72 hours, ready for first-night use. Ideal for all sleeping positions, including side, back, and stomach sleepers. Motion-isolating design minimizes partner disturbance for uninterrupted rest.