UniPon Firm to Extra Firm Mattress Topper 4 inch King Size Memory Foam Mattress Topper Gel Infused with High-Density Foam for Body Support & Pressure Relief, Ventilated Design, CertiPUR-US Certified

• Premium Memory Foam Mattress Topper - This king mattress topper is crafted with 1.5'' memory foam and 2.5'' high-density foam which are CertiPUR-US certified and meet strict standards for quality. It's hypoallergenic, resists allergens, and helps keep the sleeping area fresh and clean, supporting a healthy sleep environment for your family, children and pets. Customizable Firmness for Body Relief - This king-size mattress topper features dual-sided firmness caters to various preferences. It aids in evenly distributing weight and reducing spinal pain and pressure points increasing the cushion for your body. Whether you sleep on your front or side, the bed topper conforms to your body's curve, providing the ultimate comfort. Excellent investment for the elderly, office workers with body pain caused by long-time sitting, and people with heavy weight. Cooling Gel-Infused and Ventilated Design - The memory foam is infused with gel beads, which capture and distribute the heat, leaving you cooler while you sleep. This king bed topper is ventilated for superior airflow and temperature regulation. The vents work to mediate trapped body heat, keep you cool and your mattress fresh. This added breathability means you can rest more comfortably. Washable Ultra-Soft Knit Cover with Secure Fit - The cover of this king bed topper features soft and airy textured design, provides a smooth, cool, breathable sleeping environment for a restful night's sleep. Adding non-slip rubberized dots line the bottom of the cover, as well as elastic straps from 4 corners, helping your mattress topper with cover stay securely in place throughout the night without any slipping or sliding. Quality Assurance and Versatility - With CertiPUR-US and OEKO-TEX certifications, the UniPon extra firm mattress topper will last long-term without losing its shape or performance through long-term pressure rebound test. Available in Twin, Full, Queen, King sizes with 2-inch and 3-inch thickness options suitable for living room, floor, dorm, RV or outdoor use. Pre-Use Instructions for Optimal Expansion - Please leave the foam mattress topper twin flatly in a well-ventilated area for 48-72 hours until it's fully expanded. Tips: Low temperature may need more time, finding a suitable temperature(78℉) will shorten the time.