BICOR Orthopedic Pillow Assists With Neck, Spine, and Shoulder Alignment Hypoallergenic 100% Polyester Supports the upper back and neck while maintaining the natural spine curvature which may offer relief from back, shoulder, and neck soreness. Therapeutic pillow aligns and supports the neck, spine, and back while providing a comfortable place for your head to rest. Designed with recessed core which helps improve body posture and may assist in the healing process for muscles and back spasms. Pillow maintains shape and support, no matting or crumbling, making it the perfect alternative to hard memory foam pillows. Non allergenic this neck pillow fits into a standard size pillow case 26 inches x 20 inches. Machine washable for easy care. Made in USA.