YogavniTM Round Yoga Bolsters - Removable Canvas Cover, Natural Cotton Filling, Available in Three Size: Small, Large and Long by Yogavni(TM) Yogavni(tm) offers bolsters make of 100% cotton firm handles make it easy to carry Size: 28 inch long by 10 inches Round Microfiber cover gives softer feel. Comes with zipper Cover can be machine washed.