Brand new in package, Sleep Number ResponseFit 2" Mattress Topper (Queen) - Advanced Memory Foam Technology, Open Cell Design for Cooling Comfort - Mattress Pad, Bed Topper Advanced Memory Foam Technology: Experience exceptional pressure relief and cushioning support with our state-of-the-art memory foam, ensuring full-body comfort throughout the night. Open Cell Foam Design: Our unique open cell structure enhances airflow and reduces heat buildup for a cooler, more comfortable rest. Easy-Care Knit Cover: The removable knit cover is not only luxurious but also machine washable, making it easy to keep your mattress topper fresh. Corner anchor bands secure it in place, ensuring a smooth fit. Queen-Sized Luxury: Indulge in the queen-sized ResponseFit Mattress Layer, featuring advanced memory foam that provides head-to-toe comfort and resilient cushioning, perfect for couples or spacious solo sleeping. CertiPUR-US Certified Green Comfort: Embrace eco-friendly luxury with our ResponseFit Mattress Layer, crafted with environmentally conscious materials and accompanied by a soft cover for a clean, healthy sleep.