... , made from LLDPE, HDPE, MLLDPE 2,anti-skid heavy bags HDPE film The Multi-layers heavy bags are made of ... three-tier co-extruded film, made from LLDPE, HDPE, MLLDPE and other raw materials, can be recycling ... many sectors of the product packaging. Anti-skid heavy bag is formed by the multi-storey complex ... the effects of products. *Features: anti-skid heavy bags solve the storage problem. By using the ...