11MN572 Size: California King : -For use with Bi-Fold Frame or Platform Bed. Specify use when ordering. Tuling patterns vary.-8'' thickness (14'' of overstuffed goods compressed to fit inside a 8'' border).-10'' blend of high quality minimum 2 pound density convoluted and flat foam provides the soft cushy feel of Otis Bed's most popular futon mattress.-Layers of Flame Retardant Rayon insures compliance with Federal Flammability Standard 16 CRF Part 1633.-Machine tufting reduces the thickness of the mattress to lock in its good look and feel.-Flip-able design. Feels the same on both sides.-Compression packaged in a FedEx-able carton.-A pair of Otis Bed Grip Strips necessary when used on a Bi-Fold frame.-Durability: 10-12+ Year, designed for everyday use. Options: -Custom sizes available. Color/Finish: -100pct polyester fabric (cream color) that breaths, stays cool and comfortable, and repels moisture.-Tape edge process insures a proper fit and finish of the mattress cover. Warranty: -10 Year Limited Warranty against manufacturers defects.