BedStory Firm Mattress Topper Twin Size 4 Inch - Memory Foam Mattress Topper for Back Pain Relief - Gel & Bamboo Charcoal Infused Cooling Pad - Ergonomic Bed Topper, CertiPUR-US Certified - BedStory Direct

• RELIEVE PAIN & PROTECT THE SPINE - 2-layer pressure-relieving firm memory foam mattress topper conforms to your curves and distributes weight evenly to align the spine and alleviate pressure points. TOTAL PRESSURE POINTS RELIEF - BedStory Zen mattress topper using 38D supportive high-density memory foam can readily conform to the curves of your body to reduce aches while you sleep regardless of your sleeping position. 2-LAYER DESIGN & OPTIONAL FIRMNESS - Featuring double-layer foam design, the top side of the mattress topper is firm, and the bottom side is extra-firm, giving you the "just right" firmness. 38D HIGH-DENSITY MEMORY FOAM - BedStory memory foam bed topper made of 38D high-density memory foam has better resilience than other traditional memory foam and is suitable for people of different weights. It can be used for a long time without sinking and tearing. A HEALTHIER SLEEP ENVIRONMENT - BedStory memory foam mattress pad made of CertiPUR-US certified materials that exceed standards for content, emissions, and durability, and has been analyzed by independent, accredited testing laboratories.