From the Zen tradition. The Zabuton (Japanese for "floor cushion") Meditation Mat has been used for centuries in Japan to cushion knees and ankles. Hand-stuffed and tufted with 100% cotton batting. Available in 2 sizes, Standard and Jumbo. The Standard is available in 2 lofts (thickness before compression). Also see our Organic Zabuton and a choice of washable Zabuton Covers.