... Air tightness,Printable,Breakable in slightly.Characters:Our goods are well sealed for pinholes,coating is average with heat insulation, ... :High obstruction,anti oxygenation,air tightness,easy to heat seal with pvc sheet,protect to be imitation and againest the light ... Be widely used in oral liquid,supository,inject packing as well as food,vegetable,jam packingCharacteristics and usage:highly luster , ...