... back:silver Item:stand up bag with zipper Feature:1) Material :PET/Foil/PE2) The Thickness , printing and sizes can be made as ... bottom gusset or without bottom gusset,It is easily torn with tear nick4) lt can be made printing or without printing ... ) Suitable for refreshment, biscuit, candy, milk powder, instant drink and pharmaceutical6)PET: good appearance in color printing7)AL: high isolation ...