Peace Yoga Zafu Meditation Yoga Cotton Rectangle Bolster Pillow Cushion - Choose Your Color Size: 21" x 12" x 6.5" Quantity: 1 Blue Rectangle Peace Yoga Bolster Get a boost up from hard floors, relieve stress on joints, and properly support your spine with Peace Yoga Meditation Bolsters Full zip cotton cover is removable and machine-washable Polyester core is the right balance of firmness and pliability, sealed within its own pouch for easy removal and insertion