16" D-Shape Memory Foam Half Roll Bolster Round Pillow w/ Removable Cover- Gray - by Dreamsweet

Crafted from solid block of high density memory foam, developed by NASA. This bolster half-roll pillow comes handy as a bed pillow, a sitting posture aid on a chair, and a supplemental aid for lumbar curve in a car to reduce lower back pressure and pain. Slip it under your knees; it relieves sore feet instantly.