The 4-inch white memory foam king mattress topper offers a luxurious upgrade to your sleeping experience. Crafted with medium comfort level, this mattress topper is designed to cradle your body while providing support. Made from high-quality memory foam, its breathable construction ensures you stay cool throughout the night. The moisture-wicking properties enhance comfort by keeping you dry as you sleep. Its removable cover is machine washable, making maintenance a breeze. With convenient straps for secure attachment, it stays in place while you rest. At just under four inches thick, it adds that perfect layer of plushness to your king-sized mattress for enhanced sleep quality. 80.00-inch h x 76.00-inch w x 3.90-inch d.