Zippered Cover and Two Contour Pillows included with Twin XL 2 Inch Serene Foam Advanced Supportive Air Technology Mattress Topper Made in the USA Includes Removeable Topper Cover to Protect Your Serene Foam Topper Includes Two Contour Pillows to Support your Head and Neck in Spinal Alignment Serene Foam reduces pressure points that cause you to toss and turn, so you sleep better. Topper features a Supportive Air Technology formula and a medium soft feel Made in the USA using enviromentally friendly processes. CertiPUR-US Certified.