LUCID 3-inch Gel Memory Foam Mattress Topper - Queen 3" of ventilated gel memory foam adds softness and pressure-relieving comfort to your mattress Special memory foam formula is extremely soft, airy and responsive Ventilated design improves airflow for a more comfortable sleep climate Memory foam is infused with a plush gel material that captures heat to control temperature Queen size mattress topper measures 60" x 80" and comes with a 3-year U.S. warranty