Nixnap Mattress Topper - 7cm mattress topper - H2&H3 mattress topper for box spring bed caravan sofa bed, cover washable

【2 in 1 Firmness Design, Choose as You Wish】Nixnap mattress topper combines two levels of firmness innovatively, addressing various issues related to unsuitable mattress hardness. The blue soft layer features a cooling gel-infused memory foam, conforming to your body curves, evenly distributing pressure points, and relieving body pain. The gray firm layer offers a high-density support foam, providing strong support to maintain your spine in its natural alignment.