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HuanCheer New Protection Material

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China Square Bottom Kraft Paper Bag – 220‑540mm Wide, 80‑140gsm, Reusable Adhesive
China Square Bottom Kraft Paper Bag – 220‑540mm Wide, 80‑140gsm, Reusable Adhesive

  1. China Square Bottom Kraft Paper Bag – 220‑540mm Wide, 80‑140gsm, Reusable Adhesive
  2. China Square Bottom Kraft Paper Bag – 220‑540mm Wide, 80‑140gsm, Reusable Adhesive
  3. China Square Bottom Kraft Paper Bag – 220‑540mm Wide, 80‑140gsm, Reusable Adhesive
  4. China Square Bottom Kraft Paper Bag – 220‑540mm Wide, 80‑140gsm, Reusable Adhesive

Square Bottom Kraft Paper Bag – 220‑540mm Wide, 80‑140gsm, Reusable Adhesive

  1. MOQ: 10000 pic
  2. Price: RMB 0.5
  3. Get Latest Price
Paper Weight 80 – 140 gsm
Structure Double layer (two sheets laminated)
Bag Width (Finished) 220 – 540 mm
Bottom Style Square bottom (stands upright)
Supply Ability 100000 pcs per week
Bag Height (Finished) 400 – 770 mm
Delivery Time 5-8 work days
color Natural brown / White / Custom colors
Closure Outer flap with self-adhesive seal (external peel-and-seal strip)
Bottom Width (Gusset) 70 – 200 mm
Packaging Details Carton
Flap / Tongue Height 50 – 130 mm
Place of Origin Zhenjiang, Jiangsu Province, China
Brand Name HuanCheer

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  1. Product Details
  2. Company Details

Product Specification

Paper Weight 80 – 140 gsm Structure Double layer (two sheets laminated)
Bag Width (Finished) 220 – 540 mm Bottom Style Square bottom (stands upright)
Supply Ability 100000 pcs per week Bag Height (Finished) 400 – 770 mm
Delivery Time 5-8 work days color Natural brown / White / Custom colors
Closure Outer flap with self-adhesive seal (external peel-and-seal strip) Bottom Width (Gusset) 70 – 200 mm
Packaging Details Carton Flap / Tongue Height 50 – 130 mm
Place of Origin Zhenjiang, Jiangsu Province, China Brand Name HuanCheer
Square Bottom Kraft Paper Bag – 220‑540mm Wide, 80‑140gsm, Reusable Adhesive Seal
Product Overview

The square bottom kraft paper bag is a premium packaging solution designed for businesses that need large capacity, strong load‑bearing, and a professional retail presence. Unlike flat bags that collapse when filled, the square bottom design allows the bag to stand upright on its own - making it ideal for retail display, grocery packaging, gift presentation, and e‑commerce shipping.

Constructed from high‑quality kraft paper (80‑140gsm), this bag offers exceptional toughness and tear resistance, capable of holding heavy items without breaking or deforming. The generous size range - finished width 220‑540mm, height 400‑770mm, and bottom gusset 70‑200mm - accommodates everything from small gifts to bulky retail items.

The two‑way centrifugal paper adhesive strip is a standout feature: it allows the bag to be sealed and re‑opened multiple times without losing adhesion, making it perfect for products that need occasional access. The built‑in easy‑tear strip enables customers to open the bag effortlessly - no scissors required. The bag is 100% recyclable, biodegradable, and plastic‑free, helping your brand meet sustainability goals.

Ideal for retail shopping, grocery takeout, gift packaging, boutique merchandise, and e‑commerce shipping.

Product Specifications
Material 100% virgin/recycled kraft paper (FSC-certified available)
Paper Weight 80 - 140 gsm
Color Natural brown / White / Custom colors
Bag Width (Finished) 220 - 540 mm
Bag Height (Finished) 400 - 770 mm
Bottom Width (Gusset) 70 - 200 mm
Flap / Tongue Height 50 - 130 mm
Bottom Style Square bottom (stands upright)
Closure Type Two-way centrifugal paper adhesive strip - reusable
Easy‑Tear Strip Yes - built‑in tear strip for easy opening
Custom Sizes Yes
Custom Printing Available (up to 6 colors)
MOQ 10,000 pieces
Lead Time 5‑8 working days
Packaging Carton box
Payment Terms T/T, L/C
Supply Ability 50,000 pieces per week
Product Images
Square bottom kraft paper bag standing upright Close-up of reusable adhesive seal on kraft paper bag Kraft paper bag with easy-tear strip demonstration Various sizes of square bottom kraft paper bags
Manufacturer Profile

HUANCHEER has been manufacturing high‑quality kraft paper bags for over 6 years. Our square bottom bags are engineered with precision to ensure consistent dimensions, strong seals, and reliable performance. We use only FSC‑certified kraft paper and water‑based adhesives, ensuring every bag is fully recyclable and biodegradable. Our production facility is equipped with advanced bag‑making machinery capable of producing over 50,000 bags per week. We offer custom sizes, custom printing (up to 6 colors), and fast turnaround. Choose HUANCHEER for packaging that combines strength, sustainability, and style.

Key Features
  • Square bottom design - bag stands upright on its own, ideal for retail display and easy filling
  • Large capacity - width 220‑540mm, height 400‑770mm, bottom gusset 70‑200mm
  • 80‑140gsm kraft paper - tough, tear‑resistant, and load‑bearing
  • Two‑way centrifugal adhesive strip - reusable seal, can be opened and re‑closed multiple times
  • Built‑in easy‑tear strip - customers can open the bag effortlessly without scissors
  • 100% recyclable and biodegradable - plastic‑free, eco‑friendly
  • Custom sizes and printing - available to match your brand identity
  • Versatile applications - retail, grocery, gifts, boutique, e‑commerce
Business Trade Terms
  • Price: RMB 0.5 - 2.0 per bag (depends on size, paper weight, and quantity)
  • MOQ: 10,000 pieces
  • Payment: T/T, L/C
  • Supply ability: 50,000 pieces per week
  • Sample: Available (shipping fee applies)
  • Lead time: 5‑8 working days
Shipping Information
  • Packing: Bulk in carton boxes (500‑2,000 bags per carton)
  • Delivery: 5‑8 working days after order confirmation
  • Ports: Shenzhen, Guangzhou
  • Shipping terms: EXW, FOB, CIF, DDP available
  • Sea freight for bulk orders; air express for sample
Frequently Asked Questions
What does "square bottom" mean?
The bag has a flat, rectangular bottom that allows it to stand upright when filled - unlike flat bags that collapse.
How does the two‑way adhesive strip work?
The bag features a centrifugal paper adhesive strip that can be sealed and re‑opened multiple times without losing adhesion - perfect for products that need occasional access.
What is the easy‑tear strip?
A built‑in perforated strip that allows customers to tear open the bag effortlessly without scissors.
What weight capacity does this bag have?
With 80‑140gsm kraft paper and square bottom construction, the bag can typically hold 5‑15kg depending on size.
Can I get custom sizes?
Yes, we offer custom sizes within the range of 220‑540mm width, 400‑770mm height, and 70‑200mm bottom gusset.
Is the bag food‑safe?
Yes, our virgin kraft paper is FDA‑compliant for dry food contact. Please specify food‑grade requirements when ordering.
Can I print my logo on the bag?
Yes, we support up to 6‑color printing on the bag surface.
How should I store unused bags?
Store in a dry place away from moisture and direct sunlight.
square bottom kraft bag, stand‑up paper bag, reusable adhesive seal bag, large capacity kraft bag, eco retail packaging, 80‑140gsm, HUANCHEER

Company Details

Bronze Gleitlager

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 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer

  • Year Established:

    2024

  • Total Annual:

    4410000-USD5100000

  • Employee Number:

    30~50

  • Ecer Certification:

    Verified Supplier

company profile HuanCheer (Yancheng)Environmental Protection New Material Technology Co.Ltd. is a professional manufacturer specializing in paper-based cushioning packaging solutions. With our own R&D lab, in-house engineers, and self-designed production equipment, we provide high-performance... company profile HuanCheer (Yancheng)Environmental Protection New Material Technology Co.Ltd. is a professional manufacturer specializing in paper-based cushioning packaging solutions. With our own R&D lab, in-house engineers, and self-designed production equipment, we provide high-performance...

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Get in touch with us

  • Reach Us
  • HuanCheer New Protection Material
  • No. 21 Fuyuan Avenue, Industrial Park, Fu'an Town, Dongtai City
  • https://www.bufferpaper.com/

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