... gusset , back sealed with side gusset 2)Material; BOPP+MPET+PAPER 3)Thickness:115mic thickness one side 3)The details according ... 5)Our company specializes in all kinds of plastic flexible packaging and packing films.Basic shape is vacuum bag,standup pouch ... snack,casual food,dried food,bulgy food,daily article,meat products,frozen food,high temperature sterilization food.