The Mercury Futon Mattress works with any futon frame and is one of the premium 7" futon mattresses with a special characteristic of three different types of foam resulting in a plush but supportive feel. The 10" blend of high performance foam used i n the Mercury futon mattress is dynamically pressurized to fit into 7" of space resulting in a luxurious feel. The Mercury 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 28W inches Ottoman Mattress - 28L x 21W inches Twin Mattress - 75L x 39W inches Twin Loveseat Mattress - 2 pieces - 54L x 39W inches & 34L x 21W inches Full/Double Mattress - 75L x 54W inches Full Loveseat Mattress - 2 pieces - 54L x 54W & 54L x 21W inches Queen Mattress - 80L x 60W inches King Mattress - 80L x 76W inches Cal King Mattress - 80L x 78W inche