The Phoenix Futon Mattress works with any futon frame and is one of the premium 8" dynamic pressurized multiple high density foam futon mattresses! The Phoenix futon mattress has a 10" blend of high performance foam (containing a minimum of 2.0 pound and 2.5 pound density) that benefits you with a mattress that looks and feels great. Machine tufting a dense layer of polyester tape edge closing and 7.5 oz twill fabric gives this futon mattress its final look and feel. Chair Mattress - 54L x 2 8W x 8H inches Ottoman Mattress - 28L x 21W x 8H inches Twin Mattress - 75L x 39W x 8H inches Twin Loveseat Mattress - 2 pieces - 54L x 39W x 8H inches & 34L x 21W x 8H inches Full/Double Mattress - 75L x 54W x 8H inches Full Loveseat Mattress - 2 pieces - 54L x 54W x 8H inches & 54L x 21W x 8H inches Queen Mattress - 80L x 60W x 8H inches King Mattress - 80L x 76W inches Cal King Mattress - 80L x 78W inche