CUSHIONING AND PRESSURE RELIEF: Perfect on top of mattresses that are too firm or not luxurious enough for your tastes. LUXURY PLUSH FEEL: Choose the Luxury Plush feel for 3.75 inches of added soft cushioning, contouring and pressure relief on the surface of any mattress. SECURE FIT: Sturdy corner straps for a secure fit, some customers prefer to pair with deep pocked sheets. COOLING: Made with our cool-to-the-touch GlacioTex Cooling Cover ONLY THE BEST MATERIALS: This bed in a box mattress is Fiberglass-free, GREENGUARD Gold certified, and made with CertiPUR-US certified foams. Each mattress is carefully assembled in our own Arizona facility and delivered right to your door. We want you to be happy with your mattress and that's why we offer a 120 night sleep trial. Whether you're looking to get a few more years out of your old mattress or you're adding essential pressure relief to your new sleep setup, the GlacioTex Premium Mattress Topper has you covered. We've chosen the highest quality materials and assembled them all in our Arizona factory to ensure you enjoy a premium, durable feel. We've chosen two layers of premium foam to provide a pressure relieving feel for all sleep positions. These high-density layers ensure durable, sag-resistant comfort in all sleeping positions. The durable steel microcoils offer optimal cradling and durable support, while promoting airflow and breathability through the body of your mattress topper, extending the lifespan of any mattress. The GlacioTex Premium Mattress Topper is made with our cutting-edge GlacioTex fabric, which is cool to the touch and pulls heat away from your body, helping you enjoy the optimal sleep temperature all night.