1 Yoga Bolster Pillow. 【Size】: Yoga block is 60 cm long which fits the size of the shoulder and provides sufficient support; it is thick enough which ensures stretching and relaxation. 【Removable Pillowcase】: Yoga Pillow surface is skin friendly and comfortable; Invisible zipper, easy to take off, do not scratch the skin; It can be washed by hand or by machine.