Infinizen Memory Foam Mattress Bed Topper: 3'' Thickness Twin Size - Made in USA Twin Size (35'' X 73'') 3 inch thick mattress topper Proudly manufactured in the USA using CertiPur-US certified manufacturers Manufactured with CoolFlowTm special technology and visco-elastic memory foam which minimizes heat by increasing air flow and minimizes odors Infinizen brings you an affordable way to transform your mattress for Infinite Zen Perfect for New Home Owners, College Students, and as Gifts for all occasions!