Our products are made of natural oak bark, which is also called cork fabric. It can form a variety of different bark patterns by more than 20 kinds of splicing methods. It is natural and environment-friendly, the environmental performance passed  SGS ROHS2.0, EN71-3, REACH and  NFPA701 . About surface coloring or  printing cork fabric , dye does not contain AZO, passed the AZO test standard, and color fastness meets 4-5 grade of ISO105-X16:2016 standard, mainly exported to countries with high environmental performance requirements，mainly exported to countries with high environmental performance requirements.