Gomden Style Meditation Cushion with Flat Mat Style Zabuton Cushion. Our gomden style Meditation Cushion is made with a very dense and firm foam core, inside a cotton canvas cover, with a quilted top, handle, and zipper; 18″ by 12.5 ” and 6″ high. This style of meditation cushion is used in meditation centers worldwide because of the dense and firm support they provide for good posture in meditation practice. The Zabuton Flat Mat (asana mat) is made from 100% cotton canvas, with a zippered cover over a (firm and compact) felt padding material, which provides a soft yet firm support for your knees and ankles; 27″ by 27″ with a 1.5″ loft. Both cushions in the set include a zippered cover that is removable & washable (100% Cotton 12oz. Canvas). Hand-made; high quality!