... -0.03mm Inner hole diameter 76mm,Functions:High obstruction,Heat insulation,Air tightness,Printable,Breakable in slightly.Characters:Our ... .Function:High obstruction,anti oxygenation,air tightness,easy to heat seal with pvc sheet,protect to be imitation and againest ... for food,vegetable and jam packing.Product charactic:easily heat-sealed,printable,chemical resisting,easily molded and shapedProduct use ...