"3 Inch Twin XL Mattress Topper - Ventilated Memory Foam with Cooling Gel, CertiPUR - US Certified, Dorm Essential"

Gel Infused Memory Foam Imported Please allow up to 72 hours for the topper to rise and any odors to dissipate 3-Inch memory foam topper instantly revamps old mattress for superior sleep climate Ventilated design optimizes airflow for fresh sleep Sleep cool with gel infusion that helps reduce trapped body heat Responsive memory foam is engineered for ideal pressure-relieving support