Bolster Roll Pillow for Sleeping on Back/Under Knees to Relief Lower Back Pain or Between Legs for Side Sleepers Cylinder Pillow with Removable Cover 20x8. Removable Cover - The pillowcase of the bolster pillow is removable, which is known as soft with excellent breathablity for less heat up when use.What's more,it is zipper removable and machine washable!
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