The 10" Double Foam & Cotton #612 21X28 Chair Ottoman Natural Futon Mattress features a medium firm surface feel with two layers of solid 1 1/2" foam for resiliency, cushioning and comfort. The cotton and foam is pre-compressed under maximum pressure while the tufts are installed.This mattress has dense "Joy" cotton batting surrounding the foam layer and is made from a combination of cotton and polyester materials. With dimensions of 10H x 21W x 28L in., this futon mattress provides comfort and support for chair ottoman use cases. The double foam construction allows for durability and firmness to be maintained.The 10" Double Foam & Cotton #612 21X28 Chair Ottoman Natural Futon Mattress is designed with a natural colored futon fabric and includes no batteries required or included. This product offers a medium firm surface feel and is suitable for chair ottoman use.