... grade4) Meterial: greaseproof, silicone, glassine, parchment, foil and aluminum5) Non-stick, detached easily.6) 1~6 ... cup,muffin cases 1:main distribution district:all world markets ..main customer :including SAINSBURY ,TESCO,Etc ... all the paper materials pass strict Quality Control and IQC and Environmentally friendly.:certificate----SGS,FDA,ISO9001,ETC.: ... greaseproof paper:Different colors in a pack