Block Bottom Paper Kraft Bag with Valve

Block Bottom Paper Kraft Bag with Valve. Multi-Color Printing: Supports 1 to 6 colors with Flexo Printing and formats like Ai, Pdf, Crd. High Load Capacity: Designed to safely hold 20kg, 25kg, 45kg, or 50kg of materials. Premium Material Source: Constructed from 3-layer 80g kraft paper sourced from Sweden, Canada, America, Russia, or local suppliers. Moisture and Shock Resistance: Features PE film lining for moisture proofing and shock resistance. Versatile Valve Options: Available with Normal, Tube, or Plastic Film valve types. Global Certifications: Certified with ISO9001, ISO22000, BSCI, and FSC standards. Factory Direct Supply: Manufactured directly by a 24-year established factory with 15,000 sqm capacity. Fast Sample Delivery: Sample production completed within 3 to 7 days.