Dream On Me Rise and Shine 10-Inch Pillow Top Mattress in a Box, King Carton dimension: 12 X 12 X 41 Item Dimensions: 38x74x10;Soft, supportive pillow-top layer designed for maximum comfort Pillow top mattress has a base layer of individual, heavy gauge metal springs that provides durability Works great for platform beds; Requires foundation or box spring with standard bed frames; Foundations sold separately;15 Years Manufacture defects Item Also Available In Dimensions: Twin: 38x74x10 Full: 53x74x10 Queen: 59x79x10 King: 75x79x10