... environmentally,friendly,bio-degradable & no plastic film of packing material.1) Surface material: aluminum layer or PET/OPP metalized film.2) Bottom ... material: light weight coated paper (LWC paper), art coated paper, white/grey duplex board,SBS, FBB.3) Base paper weight: form 45gsm to ... alkali resistance e) Environmental-friendly and easy decomposition, the material used are tasteless and innocuous.