... shape available : three side seal . rear middle seal , fin seal , stand up pouch , side gusset pouch , bottom gusset pouch , zipper pouch , quad seal pouch .3. materials available (1) ... /PE , PET / CPP , PET / VMCPP , PET/AL/CPP(3) BOPA/ PE , BOPA / CPP ,, BOPA / VMPET / LLDPE ... -up bag / 3-side-seal bag /Quad-seal pouch / Back center sealed bag / Side gusset bag / Bottom gusset pouch /Zipper bag / ...