JERFIT 12 Inch Twin XL Gel Memory Foam Mattress, Medium Firm Mattress with Cooling Cover, CertiPUR-US Certified, Bed in a Box, Pressure Relief, Motion Isolation

JERFIT PCM Cooling Cover actively regulates temperature for a cool, sweat-free sleep all night long. 3-inch gel-infused memory foam layer contours to the body, alleviating pressure on shoulders, hips, and back. 4-inch responsive transition foam adapts to your movements, providing balanced support and proper spinal alignment. 5-inch high-density support base foam enhances durability and prevents sagging for long-lasting performance. CertiPUR-US Certified for safety, ensuring the foam is made without harmful chemicals and is low in VOCs. Medium-firm feel offers the ideal balance of comfortable cushioning and supportive firmness for all sleeping positions. Motion isolation technology minimizes disturbance, making it ideal for couples where movement is a concern. Compressed and shipped in a convenient, easy-to-handle box; fits through tight hallways and staircases. Simple setup: unbox, unroll, and watch the mattress expand to its full 12-inch height within 24-72 hours.