Features: 1) Specifications: 1.5D - 15D 2) Can absorb heat from around and heat from human bodies, and then radiatefar infrared rays back to human bodies, so as to achieve the functions ofactivating human cell tissues, promoting human blood circulation, improvinghuman metabolism and enhancing human immunization 3) Suitable for making thermal insulation padding, hygienic articles, garments,decorative fabrics and bedding articles, such as summer garments, garmentsfor outdoor activities, skill suits, wedded quilts, sleeping bags, sheets,close-fitting jackets, shirts