Center Seal Available in single layer (white / transparent) or laminated form Best Used for: Powdered goods, granules, snacks packaging StandingPouch Available in single layer (white / transparent) or laminated formAvailable Accessories: Spout / cap, zipperBest Used for: Powdered goods, oil packaging, liquid chemicals, liquid drinks, granules Gusset Available in single layer (white / transparent) or laminated formBest Used for: Powdered goods, granules, dried food Three SideSeal Available in single layer (white / transparent) or laminated formBest Used for: Vacuum pack, frozen food, powdered goods, heavy duty packaging