The Lucid 3-Inch Twin Memory Foam Mattress Topper Is Certified By Certipur And At Lucid, we make beds for the whole family? because when you wake up feeling your best, your family gets the best version of you too. The Lucid 3 Inch Gel Memory Foam Mattress Topper is an affordable way to make a firm mattress plush. The three inches of responsive memory foam cradle your body with a soft ?sink-in? feeling. The gel infusion in the bed topper helps dissipate heat and regulate body temperature for a more comfortable sleep climate. Designed to fit, a Twin size mattress topper perfectly complements a Twin mattress. Our Lucid mattress topper is CertiPur-US Certified for safety and performance. And for shipping convenience, the topper is shipped directly to your door in an easy-to-carry box. Comfort awaits. Memory Foam Special memory foam formula is extremely soft, airy and responsive Memory foam is infused with a plush gel material that captures heat to control temperature Ventilated design improves airflow for a more comfortable sleep climate