Peaceful Dreams 1.25-Inch Flat Slab Memory Foam Mattress Topper, Cal King 1.25 inch thick flat slab memory foam 1.5 pound density Hypoallergenic No Cover included California King measures 71.5 x 83.5 x 1.25 inches Made in the USA SleepBetter and Peaceful Dreams are registered Trademarks of Carpenter Co.