Side Gusset Pouch

The back-seal pleated bag for wet wipes is a composite flexible packaging bag specifically designed for personal care products such as wet wipes, cotton wipes, and face towels. The back-seal pleated bag (also known as a center-seal accordion bag or back-seal gusseted bag) is based on the traditional back-seal bag, with unfoldable M-shaped gusseted edges added to both sides of the bag. The heat-sealed edge is located in the center of the back of the bag, with no obstruction from the front seal. When the two side pleats are unfolded, the bag changes from a flat shape to a near-cubic three-dimensional shape, significantly increasing its capacity and allowing it to stand stably on shelves. This product is widely used in the packaging of baby hand and mouth wipes, household cleaning wipes, personal care wipes, and cotton wipes.

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Product Overview

Back-sealed gusseted bags, sometimes called folded-edge bags or gusseted-side bags, are essentially an upgraded variation of back-sealed bags. While retaining the advantages of back-sealed bags, they achieve a balance between capacity and aesthetics through a unique structural design. What is a back-sealed gusseted bag? Its most obvious difference from a regular back-sealed bag (pillow-shaped bag) lies in the structure of its sides: • Regular back-sealed bag: Both sides are flat and sealed. • Back-sealed gusseted bag: The two side edges of the bag fold inwards, forming an "M"-shaped fold structure. When unfolded, this fold structure resembles the bellows of an accordion, hence the name.

Key Features

• Flexible and spacious: The unique M-shaped fold automatically unfolds after products are placed inside, increasing capacity by over 50% compared to flat bags of the same size.

• Attractive design and complete pattern: The closure is on the back, ensuring a continuous and unbroken design on the front; the side folds also keep the bag sturdy and well-shaped.

• Space-saving: When empty, the bag can be flattened for storage, significantly reducing storage and transportation costs.

• Enhanced damage resistance: The back closure allows the sides of the bag to withstand greater pressure, reducing the likelihood of breakage.

Product Customization

• BOPP/CPP: Economical, good moisture resistance; suitable for general snack foods (biscuits, candies, etc.).

• PET/AL/PE: Excellent barrier properties, completely light- and moisture-proof; suitable for coffee, tea, and high-end foods.

• PET/VMPET/PE: Good barrier properties + metallic luster; high cost-performance ratio; suitable for products requiring preservation but with a limited budget.

• PA/PE: Low-temperature resistant, puncture-resistant, and impact-resistant; suitable for frozen foods and products transported long distances.

Applications

• Snack foods: Biscuits, potato chips, nuts, candy, egg rolls, mooncakes, etc.

• Coffee and tea: Coffee beans/powder, tea leaves

• Pet food: Cat food, dog food, freeze-dried snacks

• Powdered products: Flour, milk powder, seasonings

• Frozen foods: Wontons, dumplings, and other products requiring low-temperature packaging

• Others: Bulk small items, toys, stationery, etc.

FAQ

Q: What is your MOQ for custom packaging?

Our minimum order quantity (MOQ) varies by product type and complexity. For standard stand-up pouches and flat bags, MOQ starts at 5,000 pieces. More complex shapes or custom tooling may require higher quantities-typically 10,000+ pieces. We recommend discussing your specific requirements with our team to find the most cost-effective solution for your volume needs.

Q: What printing methods do you support?

We offer two primary printing methods: Gravure printing and Digital printing. Gravure printing utilizes etched cylinders for up to 10 colors, delivering exceptional print quality and cost-effectiveness for large runs of 10,000+ units. Digital Printing offers flexibility with no color limitations, ideal for smaller quantities, customizations, and rapid prototyping. Both methods achieve vibrant, high-resolution results suitable for food-grade applications.

Q: What materials are available for food packaging?

We provide an extensive range of food-safe materials including: PE (polyethylene) for basic applications, PP (polypropylene) for higher temperature resistance, PET (polyester) for clarity and durability, metallized films for premium barrier properties, aluminum foil for maximum oxygen and light protection, and specialty recyclable and biodegradable options. Our team can recommend optimal material structures based on your product specific preservation requirements.

Q: Can you provide samples before production?

Yes, we strongly recommend samples before mass production. We offer prototype sampling services typically taking 7-10 days. Samples allow you to evaluate material quality, print accuracy, functional features, and overall appearance. For complex custom orders, we provide pre-production samples for your approval before commencing full production runs, ensuring complete satisfaction with the final product.

Q: What certifications do you have?

Ente Packaging maintains comprehensive certifications including: ISO 9001:2015 for quality management systems, BRC (British Retail Consortium) certification for food safety, FDA registration for food-contact materials, EU regulation compliance for European markets, and SEDEX certification for ethical supply chain practices. We also hold FSSC 22000 food safety certification and can provide relevant documentation for customs clearance and compliance requirements.

Q: How long is the production lead time?

Production lead times depend on order complexity and quantity. For standard orders with MOQ (5,000-10,000 pieces), typical lead time is 15-20 days from sample approval. Orders requiring custom tooling or complex specifications may take 20-30 days. Express production is available for urgent requirements with additional fees. We provide detailed production schedules during the quotation phase and keep you informed throughout manufacturing.

Why Lay Flat Pouches Are the Right Choice

Our premium stand-up pouches combine innovative design with superior materials to deliver exceptional product protection and shelf appeal. As a trusted OEM packaging supplier, we specialize in custom packaging bags that enhance brand visibility and product freshness.

Whether you need food-grade packaging for snacks, coffee, or liquids, our stand-up pouches provide the perfect balance of functionality and aesthetics. With advanced barrier properties and versatile customization options, our flexible packaging solutions help businesses differentiate their products in competitive markets.

Customization Scope

Enter Packaging provides comprehensive flexible packaging customization services to meet your personalized needs:

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Material

PET, PE, NY, AL, CPP, Kraft Paper, etc.

Recommend suitable materials based on product characteristics

Colors

1-10 color printing

High-speed printing machines ensure vibrant and full colors

Size

Width 50-1200mm, unlimited length

Any size can be customized according to product specifications

Style

3-side seal, Stand-up, Flat bottom, Zipper, Spout, etc.

Multiple bag styles available to meet different needs

Additional Function Customization

Zipper closure, Spout, Easy-tear opening, Hang hole, Degassing valve, Transparent window, Matte finish, Spot UV, Hot stamping gold/silver, and other special processes