Established in 1977 and started the modern therapeutic pillow industry in U.S.A. then,with Wal-Pil-O® neck pillows the highly versatile "4 pillows in 1" neck pillow. All products are anatomically and physiologically designed. All products are Made in USA with USA materials. Carefully Quality controlled!Founded and directed by Lionel A. Walpin, M.D. a well-known back and neck care specialist, RoLoKe manufactures other excellent postural support products: Good 'N Bed® multi-adjustable bed wedge; Bottoms-Up® pelvic spinal posture seats, CurveSnugger, LuvsYaBack and Back Me pump up back supports. Thermapad automatic moist heat pads/electric. Well-Pil-O® neck pillows are patented memory foam containing pillows. Well-Pil-Os ARE Wal-Pil-Os with a 1" or 1/2" thick outer wrapping and an insert of memory foam. Most of a Well-Pil-O is NON memory foam. Pump-Up Well-Pil-Os and Wal-Pil-Os are both available.