The colored kraft paper valve bag is an industrial-grade packaging solution constructed with high-strength colored kraft paper as the outer layer material. It features multiple layers of composite inner paper for enhanced durability and performance, along with a built-in glued valve structure for efficient filling and secure sealing.

• Vibrant Appearance: Available in multiple colors including red, yellow, blue, green, white, and brown with rich, uniform coloring and clear printing
• Multi-Layer Strength: Constructed from 2 to 4 layers of composite kraft paper with high tensile strength and excellent tear resistance
• Built-In Valve Design: Features glued corner valve and middle valve for automatic sealing without sewing or tying
• Moisture Protection: Optional PE waterproof inner lining or moisture-resistant coating for humid environments
• Equipment Compatibility: Standardized valve port fits wheel-type, pneumatic, and screw-type automatic filling machines
• Eco-Friendly: Made from paper materials with eco-friendly water-based inks, 100% recyclable and biodegradable

• Building Materials: Putty powder, gypsum powder, tile adhesive, cement, dry-mixed mortar
• Chemical Industry: PVC resin powder, talcum powder, calcium carbonate, chemical additives
• Agriculture: Granular feed, feed additives, organic fertilizers, compound fertilizers, seeds
• Food Industry: Flour, starch, corn flour, food additives, protein powder
• Export Packaging: International trade, container shipping, cross-border bulk orders

• Colors: Red, yellow, blue, green, white, brown, and custom enterprise color schemes
• Sizes: Custom width, height, and bag types including 25kg, 40kg, 50kg standards
• Printing: Logos, company names, addresses, phone numbers, QR codes, specifications
• Structure: 2, 3, or 4-layer construction; angle valve or central valve options
• Special Finishes: Matte texture, enhanced compression resistance, improved drop resistance