... absorb and emit far-infrared efficiently, release anion and keep warm, improve the microcirculation system, promote blood circulation,adsob odor , ... machine, ia greatly welcomed and favored by customers. Product FeatureKeep warm,adjust temperature,antimicrobial,adjust humidity, anti-mite, anti-allergic, release ... without siliconRL-11/2/20 KG Adjust temperatuer, keep warm charry bamboo fibre 1.5-6d