Sleep Studio Ventilated 1.5-Inch Thick Memory Foam Mattress Enhancer and Contour Pillow Set, Twin XL Memory foam mattress enhancer provides pressure relief and enhanced comfort 3-zone ventilation for air circulation and support where it's needed most 1.5-inches thick; molds to your body shape for personalized support Memory foam contour pillow provides proper anatomical head and neck support, 1 included. Pillow dimensions: 19 x 13.5 x 4.5" and 4" The formula includes natural ingredients, Made in USA