8 inch profile including a 2 inch layer of luxury 4 lb high density memory foam plus a 6 inch ultra high density foam base. Innovative open-cell memory foam conforms to your shape providing a restful sleep while also remaining cool throughout the night. Pressure less memory foam provides support and alignment for your back and will help alleviate pain and muscle tension. Breathable stretch knit cover promotes optimal sleeping temperature and is easy to remove for washing. Product Features: Memory Foam Type: Polyurethane Thickness: 8 inches Firmness: Medium Density: 2 inch 4 pounds/50D Memory Foam/6 inch 2 pounds/30D Base Foam Care Instructions: Spot Clean Only, Air Dry Size: Twin Allergy Free Product Dimensions: 39 inches x 75 inches x 8 inches Care instructions: Outer Cover: Remove Foam, Machine Wash Cold with Like Colors, Gentle Cycle, Tumble Dry Low. Polyurethane Foam: Spot Clean Only, Air Dry. Made in China. Product ID 39791767