It Can be used as a knee pillow, lumbar pillow, or leg spacer. Round Cervical Pillow gives spine alignment and therapeutic sleep posture.Place under the knees, ankles or neck, will help relieve muscle strain. Features - Color: Grey. - Material: PU. - Size: 43.00 x 10.00 x 10.00 cm/ 16.90 x 3.93 x 3.93 inch. - It Can be used as a knee pillow, lumbar pillow, or leg spacer. Round Cervical Pillow gives spine alignment and therapeutic sleep posture.Place under the knees, ankles or neck, will help relieve muscle strain. - Perfect for home and travel, lightweight, convenient and easy-to-carry. Great for office chairs, plane, car, boat. Perfect gift for birthdays, Mother's day, Father's day, etc. - Made from premium quality memory cotton with easy to wash outer cover, our bolster pillow hypoallergenic, gentle on your skin, dust-proof, and breathable, does not collapse and retains its shape in . - Natural cotton pillow-fiber fill, it is comfortable and beautiful. Zipper design change more convenient, easy care machine wash warm. - It is warm and stylish, perfect to show the warmth of home. Perfect for home and travel! This lightweight roll is convenient and easy-to-carry. Great for office chairs, the plane, car, boat or RV. Package list: 3 x Cervical Protect Pillow