Gaiam Cork Yoga Brick Go to amazon.com Related posts Where to find yoga block gaiam? FeatureAll-natural cork yoga blockHelps refine alignment and balanceIdeal for prop-based lyengar yogaMeasures 5.5"H X 9" W X 3" L DescriptionThese foam blocks are 5.5"H X 9" W X 3" L and are sized for better balance and better positioning including Iyengar poses.