When looking for a Back Support Pillow, it is important to consider your preferences and anatomy. For example, some people prefer a softer pillow, while others prefer a hard one. Additionally, it is important to consider the shape of your spine and the contour of your chair. Some pillows are designed specifically for use with certain chairs, while others are universal. Finally, it is helpful to know your height and weight so that you can choose a size that will fit comfortably.