... bag, eco-friendly ink.2) Moisture-proof, strong sealing, easy open aluminum foil stretch film packaging.3) High quality, timely delivery, ... airtight, non-leakage, anti-puncture, strong sealing 2)Good for small unit product, especially for fast food bag.3)Realistic & lively print ... and competition ability of your products4)option for manual or auto filling and sealing.5) Up to 10 colors excellent ...