It will support your neck effectively and maintain proper neck alignment using our cervical neck pillow, keep pressure off your spinal disc and joints, and even rest your lower back, knees, calves, feet. It is dust-proof, and breathable, does not collapse and retains its shape in the long run. Features - Color: Grey. - Material: PU. - Size: 43.00 x 10.00 x 10.00 cm/ 16.90 x 3.93 x 3.93 inch. - Support your neck effectively and maintain proper neck alignment using our cervical neck pillow, keep pressure off your spinal disc and joints, and even rest your lower back, knees, calves, feet. - These cylinder pillows are made out of memory cotton, which forms to your body and is free of nasty chemical odors. The round neck pillow for sleeping cradles your neck in the best position to maintain a straight spine. - The neck roll pillow can also be used between the legs for side sleeping comfort, under the knees for back sleeping back relief, or behind the back as a lumbar support pillow for back pain relief. - 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 the long run. - Specifically designed to cradle your head conform and mold to your head shape, support your neck, promotes good posture and natural sleeping habits, alleviates prevents neck back pain.