3" Dual Side Firm Memory Foam Mattress Topper, Egg Crate Gel Infused Cooling Pad for Breathable Comfort and Back Pain Relief, California King

【Dual-Sided Firmness Design】This mattress topper offers two firmness options in one. The egg crate embossed side provides a Medium Firm feel, gently contouring to the body to help relieve pressure. Flip the topper to the flat Firm / Extra Firm side for enhanced support and stability, making it ideal for sleepers who prefer a firmer sleep surface. 【CertiPUR-US Certified Memory Foam】The top layer features blue gel-infused egg crate memory foam made with CertiPUR-US certified materials, enhancing airflow while evenly distributing body weight. This design helps reduce pressure points, regulate temperature, and deliver a safer, healthier sleep environment. 【Versatile Use for Multiple Scenarios】This lightweight composite foam topper is suitable for use on mattresses, RV beds and dorm beds, adding comfort and support without excessive thickness. Ideal for home, travel, or temporary sleeping setups. 【Hassle-Free Setup】The mattress topper arrives compressed in a box for convenient shipping. Simply unpack and place it in a well-ventilated area for 24–48 hours to allow full expansion. No tools or complicated installation required. For best results, avoid direct sunlight during the expansion process.