Our TEMPUR-Flat Foundation is the perfect support for your Tempur-Pedic mattress with a solid, flat surface in 3 profile options.Size availability:Twin: 38″ x 74″Twin Long: 38″ x 80″Full: 53″ x 74″Queen: 60″x 80″Split Queen: 30″ x 80″ (each piece/2-piece foundation)King: 38″ x 80″ (each piece/2-piece foundation)Split King: 38″ x 80″ (each piece/2-piece foundation)CA King: 36″ x 84″ (each piece/2-piece foundation)Split CA King: 36″ x 84″ (each piece/2-piece foundation)*Dimensions of each individual foundation may vary.Product weights:Low Profile 5″Twin Long: 43 lbs.Double: 56 lbs.Queen: 68 lbs.Split Queen: 80 lbs. (40 lbs. each piece)Split King: 86 lbs. (43 lbs. each piece)Split CA King: 84 lbs. (42 lbs. each piece)Features:Antimicrobial treatment hinders microorganisms, including dust mitesMinimizes motion transfer between sleep partners