Our Cylindrical Bolster facilitates deep chest opening and back bending with it's 8" high diameter-the highest of our bolster line-up. The contoured, ergonomic shape fits perfectly under your knees while lying on your back providing relief for your lower back. Try it horizontally across the shoulder blades while on your back for an upper back extension. Alternatively, try vertical along the spine for deep chest opening and expansion. Find new depths in your posture and breath with one of our favourite bolster shapes. , , This product is part of our Halfmoon Premium Linen Collection and is a premium, timeless, and earth-friendly option within our textile line-up. With an elevated, yet artisanal aesthetic, you can invest in this luxurious fabric option in good-conscience. The low levels of water used to grow the flax plants in creating these fibbers make it much more earth-friendly than alternative fibbers in the market. Bonus: Our linens not only have a soft hand feel and cooling properties but also are biodegradable!