Hot Sale BOPP Printed Ad Star Block Bottom Valve packaging Bag

Hot Sale BOPP Printed Ad Star Block Bottom Valve packaging Bag. Customizable Fabric Color: Available in white, yellow, blue, or fully customized colors to meet specific branding needs. Customizable Bag Size: Length ranges from 300mm to 1200mm and width from 39mm to 700mm for tailored fit. Flexible Valve Options: Choose between internal or external valves, with fabric options including woven or non-woven. Advanced Printing Capabilities: Supports flexo, gravure, or offset printing with up to 8 colors on one or two sides. High Air Permeability Control: Micropores customizable from 20 to 160 based on filling material and machine speed. Dual-Layer Moisture Protection: Can be combined with kraft paper to create a two-layer bag for high moisture-proof requirements. Superior Hot Air Welding: Top and bottom welded without stitching or holes, ensuring strong break-resistance and stability. Eco-Friendly Material: Made from 100% virgin polypropylene with eco-friendly ink for bright colors and good fastness.