... permeability 3.Certifications:ISO9001,CE,FDA,ISO13485 Kangzhu Health-care Pillow for old age: Be made of 100% cotton, anion and ... far-infrared coated cloth. The material of the Health-care Pillow Bag is pure white non-woven cloth (90g). The medicine ... , so calcite was called as Longevity Stone. The Calcite Healthcare Pillow adopts the natural valuable calcite taken from 1000 meters underground ...