Food Packaging Bags & Pouches
0102030405
Bulk Custom Square Bottom Ziplock Bags
Features of Square Bottom Bags
Eco-Friendly: Recyclable, biodegradable, compliant with food safety standards.
Sealing Performance: Advanced sealing to resist moisture, dust and leakage, keeping contents fresh and hygienic.
Load-Bearing Capacity: High-strength materials with reinforced square bottom for heavy loads and stability in transport/storage.
Customizable Printing: High-quality digital/flexographic printing for clear product descriptions, logos and promotions.
Practical Design: User-friendly features like easy-open notches, resealable zippers and transparent windows.
Product parameter
| Bag type | Square Bottom Bag | Sealing&Handle | Zipper top | Shape | Customized |
| Feature | Waterproof | Custom Order | Accept | Advantage | Recyclable |
| Mateiral | Plastic | Sample | Avaialable | Thickness | Customized |
| Color | CMYK | Plastic type | PVC/PE | Supply Ability | 10000PCS per day |
Type:
Types and Sizes of Square Bottom Bags
Materials: Food-grade options including kraft paper, composite membrane paper and biodegradable plastic films.
Structures: Various designs such as open-top, self-sealing and gusseted to meet diverse packaging needs.
Sizes: Fully customizable in length, width, height and thickness—from small snack bags to large bulk grain bags.
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Applications of Square Bottom Ziplock Bags
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Our Factory
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Heidelberg CD1027+1
Heidelberg XL162 5+1
HP INDIGO 5500
Founder EagleJet P440
ZM 1+1
Die-Cutting Machine
(WANHONG) 3302
RBJ-330L-2
(Raybon) RB-360A
(Raybon) Die-Cutting Machine
Shop Operation
Shop Operation
Shop Operation
Our square bottom bags, made from certified food-grade kraft paper, composite membrane, and biodegradable films, are 100% eco-friendly and recyclable. They protect contents, preserve freshness, and support sustainability—strong, durable, and ideal for transport and retail.
Custom design is a standout: advanced digital/flexographic printing for product details (ingredients, dates, certifications) and logos. Add resealable zippers, easy-open notches, or windows as needed. Factory direct supply offers competitive pricing, with small trials, bulk orders, and efficient service.
Exhibition:
Customization Options of Square Bottom Ziplock Bags
Printing: High-definition flexo/digital printing for logos, descriptions, instructions, barcodes; uses eco-friendly, non-toxic, fade-resistant food-grade ink.
Functional Designs: Resealable double zippers (enhanced sealing), anti-static coatings (for electronics), moisture-proof layers (for food preservation).
Structural Styles: Custom bottom gusset sizes (expandable capacity), tear notches, hanging holes; optional rounded corners (anti-scratch).
Material & Size: Food-grade materials (LDPE, HDPE, biodegradable PLA); tailored dimensions (length/width/thickness) for items from small jewelry to bulk grains.
Certifications
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Advantages of Square Bottom Ziplock Bags
After sales service:
fAQ:
Q: Can we request samples? Are there any charges?
A: Certainly, you may request available samples from our stock at no cost, though freight charges will apply.
Q: Are you a factory?
A: Yes, we are a factory. This direct manufacturing setup enables us to maintain strict quality control and offer competitive pricing on our products.
Q: What is your Minimum Order Quantity (MOQ)?
A: Our MOQ varies depending on the product. Generally, the larger the quantity of labels ordered, the more favorable the pricing becomes.
Q: How do we obtain a quotation?
A: Please provide the product specifications, including material, size, shape, colour, quantity, and surface finishing, among others.
Q: What file formats do you require for printing designs?
A: We accept AI, PDF, CDR, PSD, and EPS formats.
Q: Are you able to assist with design?
A: Our team of professional designers can assist, given basic information such as your logo and some images.
Q: What are the terms of trade and payment?
A: We require 30% or 50% of the total value upfront before production. We accept T/T, Western Union, L/C, PayPal, and Cash. Terms are negotiable.
Q: May I request a sample made to my design for confirmation?
A: Yes, we can produce a high-quality sample matching your design for confirmation.
Q: What is the lead time?
A: The lead time varies depending on the product, but it's normally 5 to 7 working days following the confirmation of the design file and payment.
Q: How can I know if my goods have been dispatched?
A: We'll keep you informed with detailed photos at each stage of production. We will also provide the tracking number once shipped.
Q: What shipping options are available, and how long do they take?
A: We offer DHL, UPS, TNT, FedEx, and sea shipping. Express delivery takes 3 to 5 working days, while sea shipping takes 15 to 35 working days.
Q: How does your company ensure quality control?
A: Our company rigorously upholds quality standards through a comprehensive and stringent quality management system, certified by our QMS certification. This system guarantees that every product aligns with our customers' quality expectations. Our process includes producing a pre-production sample before commencing mass production, followed by a thorough final inspection prior to shipment. These meticulous steps ensure consistent quality and customer satisfaction.
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