Experience the ultimate in sleep comfort with this 12-inch queen size medium firm mattress. Crafted from premium 100% polyester knit fabric, it enhances breathability and moisture-wicking, keeping you cool all night. The antimicrobial and dust-mite-resistant properties ensure a hygienic sleep surface, ideal for allergy sufferers and hot sleepers. This mattress combines three layers of high-density memory foam with over 500 individually wrapped pocket springs, providing targeted pressure relief and back pain support. The memory foam conforms to your body's curves, cushioning joints, while the springs offer zoned spinal alignment, reducing pressure points and chronic back pain. Pocket springs also absorb movement and noise, ensuring motion isolation and undisturbed sleep, perfect for couples and light sleepers. High-density foam borders provide reinforced edge support, preventing sagging and roll-off, making it ideal for edge sleepers and parents sitting bedside with kids. The mattress is CertiPUR-US certified, free from harmful chemicals, and designed to resist sagging for over 10 years, ensuring long-lasting comfort and durability. Shipped in a compact, vacuum-compressed roll, it is easy to transport and unbox, quickly expanding to its full size in your bedroom.