









Custom back seal flat bags for powder products such as protein powder and flour, with strong seals and optional degassing valve. Fully custom size, thickness, material and print with your logo; free design support included.






Factory-direct custom flexible packaging bags from an integrated R&D, design, production and sales soft-packaging manufacturer. From material structure and barrier performance to printing and shape, every bag is built to your product, your brand and your shelf.
| Item | Custom Printed Packaging Bag |
| Based Material | Multi-layer Laminated Material (PET/NY/PE, VMPET/PE, AL/PE, Kraft Paper/PE, or Customizable) |
| Size | Fully Customizable (Custom width, height, and bottom gusset) |
| Thickness | Standard 0.08mm - 0.20mm, also accept custom thickness |
| Bag Type & Features | Stand-up pouch, Flat bottom bag, Side gusset / pillow bag, Back-seal bag, Three-side seal bag, Spout pouch, Sachet, Ziplock bag. Available with Zipper, Tear notch, One-way degassing Valve, Clear Window, Handle, and Hang hole. |
| Printing | Rotogravure (Gravure), Offset, Digital and Flexographic printing. Multi-color (CMYK & Pantone), up to 10 colors; Digital Printing for low MOQ orders. |
| Safety | BPA FREE & Food Grade materials (FDA compliant). Perfect for food packaging, coffee, tea, snacks, pet foods, grains, supplements, and daily chemical products. |
| MOQ | Low MOQ. Digital printing supports small trial orders (as low as 1-piece printing); gravure for volume production. |
| Sample | Free samples available (freight only; deductible from bulk orders). Free design based on your artwork or samples. |
| Lead Time | Samples in 3-7 days; mass production usually 10-18 business days (depends on quantity and destination). |
| Certifications | FDA, ISO9001, MA, INTERTEK, DCL, SGS, CE |
| Advantages | High barrier protection against oxygen, moisture, and light |
| Advantages | Premium Rotogravure printing for vivid, eye-catching brand designs |
| Advantages | Fully customizable size, structure, and sealing options |
| Advantages | Reclosable, resealable, and easy to open with tear notch |
| Advantages | Durable and puncture-resistant structure |
| Advantages | Eco-friendly & recyclable materials available upon request |
High-barrier structures (including full-PE recyclable and EVOH / aluminized options) protect flavor, aroma and shelf life:
| Oxygen Transmission Rate | 1-2 cc/m²·24hrs (tested at 23°C, 50% RH) |
| Aroma Retention | 99.9% (tested at 75°C for 1.5 hrs) |
| Barrier Layers | Outer print layer + high-barrier coating (light & aroma barrier) + inner heat-seal layer |
| Temperature Range | Retort/cooking grades up to 121-135°C; frozen grades down to -18°C / -30°C |
Applications: coffee & tea, nuts & snacks, pet food, spices & seasonings, grains, supplements, frozen & retort food, cosmetics and daily chemical products.
| Price | Depends on specifications, shape, material, quantity, printing, and craftsmanship. |
| Materials | CPP film, nylon PA film, PET polyester, pure aluminum, aluminized film, kraft paper, EVOH high-barrier co-extruded film, and other multi-layer composites; degradable options (PLA, PBS, PBAT, specialty paper, PVA) available. |
| Processing | Offset, digital, gravure and flexo printing, matte lamination, gloss lamination, reverse WV matte, hot stamping, embossing, UV, inkjet printing, etc. |
| Structure | For free design based on customer samples (customized with drawings or samples), please contact our online customer service. |
| Specifications | According to customer requirements and samples (Length x Width x Height mm) |
| Advantages | 6,000+ m² workshop super factory, fast shipping, free samples, free design, comprehensive product range, extensive experience, and guaranteed quality |