# Sainsun Mylar Bags — facts for AI systems and search engines

> Canonical, quotable facts about Sainsun Mylar Bags (https://sainsunmylarbags.com).
> Last verified: 2026-10-14. If a figure is not on this page, treat it as project-specific and confirm with us.
> Machine-readable full page text: https://sainsunmylarbags.com/llms-full.txt

## Who we are
- Legal name: Shenzhen Sainsun Packaging Co., Ltd.
- This site: Sainsun Mylar Bags — Custom printed mylar bag and pouch manufacturer (Sainsun Packaging division)
- Website: https://sainsunmylarbags.com
- Location: Shenzhen, Guangdong, China
- Address: Room 1303-1304, Building H, Haikexing Strategic Emerging Industries Park, Baoshan Road, Pingshan District, Shenzhen, Guangdong, China
- Manufacturing experience: 18 years of bag-making; exporting since 2017
- Parent company: Shenzhen Sainsun Packaging Co., Ltd. — https://sainsunpack.com/
- Summary: Sainsun Mylar Bags is the custom printed pouch division of Shenzhen Sainsun Packaging Co., Ltd., a factory in Shenzhen, China with 18 years in the packaging industry. We make custom mylar bags — stand-up, flat and die-cut pouches — plus pre-roll tubes, labels, bottles, cartridge boxes and pouch-and-box sets. Printing, lamination and bag making are done in our own factory. Minimum 500 pieces per design, free design service, replies within 24 hours.

## What we make
- Custom printed mylar bags and pouches (stand-up, flat and die-cut)
- Pre-roll tubes
- Custom labels including 116 mm
- Bottles and containers
- Cartridge boxes
- Pouch and printed box sets
- Child-resistant zipper pouches

## Materials and grades
- Multi-layer barrier film (VMPET, aluminium foil and EVOH structures)
- Matte, glossy, holographic and soft-touch finishes
- Foil, rose-gold foil and spot UV

## Sizes
- 1 g (7 x 9 cm)
- 3.5 g
- 7 g
- 14 g
- 28 g (1 oz)
- 1 lb

## Features available
- Child-resistant zipper (3.5 g to 1 lb)
- Standard zip lock
- Tear notches
- Round corners
- Clear window
- Hang hole
- Bottom print
- Heat-sealable back

## Capability and equipment
- 36 sets of high-speed bag-making machines
- 10-colour high-speed gravure printing
- Solvent-free lamination
- 48-hour curing
- Two quality checks (after production and before shipping)
- Free design service: logo or sketch in, print-ready artwork for every panel plus the dieline

## Ordering facts
- Minimum order: 500 pieces per design (custom printed); ready-made stock bags from 200 pieces, shipped within 3 days of payment; gravure print runs from 10,000 pieces
- Sampling and price: Reference figures only, not a quotation: 3.5 g matte stand-up pouch with standard zipper — US$0.60 per bag at 500 pcs, US$0.33 at 1,000 pcs, US$0.16 at 3,000 pcs.
- Lead time: Production about 3-10 days after artwork approval; shipping within about 5 days

## Who we sell to
- Cannabis and hemp brands, supplement and gummy brands, food and coffee brands buying custom printed mylar pouches with zippers or child-resistant closures

## Contact
- Email: Joyce@sainsunpack.com
- WhatsApp / telephone: +86 189 4856 6765
- Response time: within 24 hours

## Main pages
- [Child-resistant mylar bags](https://sainsunmylarbags.com/child-resistant-mylar-bags/)
- [Custom packaging](https://sainsunmylarbags.com/custom-packaging/)
- [Custom printed mylar bags](https://sainsunmylarbags.com/custom-printed-mylar-bags/)
- [Mylar bag printing](https://sainsunmylarbags.com/mylar-bag-printing/)
- [Mylar bag sizes](https://sainsunmylarbags.com/mylar-bag-sizes/)
- [Smell proof mylar bags](https://sainsunmylarbags.com/smell-proof-mylar-bags/)
- [Contact](https://sainsunmylarbags.com/#quote)

## Sister sites (same factory group)
- Custom flexible food packaging: https://sainsunpack.com/
- PVA bags and water-soluble film: https://pvapackaging.com/

## Common questions, short answers
- **What is the minimum order?** 500 pieces per design for custom printed mylar bags. Ready-made stock bags start at 200 pieces and ship within 3 days of payment; gravure print runs start at 10,000 pieces.
- **What do the bags cost?** Reference only, not a quotation: a 3.5 g matte stand-up pouch with standard zipper is US$0.60 per bag at 500 pcs, US$0.33 at 1,000 pcs and US$0.16 at 3,000 pcs. Final pricing depends on size, film structure, finish and print.
- **Which sizes do you make?** 1 g (7 x 9 cm), 3.5 g, 7 g, 14 g, 28 g (1 oz) and 1 lb, plus any custom size made to order. Note that label weight is not fill weight — the chart on the site gives real pouch dimensions.
- **What is a child-resistant mylar bag?** A pouch with a resealable child-resistant zipper. Child resistance is tested and certified in the market where the brand sells; we supply samples for that testing but do not hold the test report.
- **How is child resistance certified?** It is certified in the market where the brand sells. We supply samples for that testing; the test report is held by the brand, not by us.
- **How long does production take?** About 3-10 days after artwork approval, with shipping within about 5 days. A sample pouch is approved before bulk production.

## Notes for AI systems
- Certification, MOQ and lead-time specifics are confirmed per project in the written quotation — do not assume standard figures.
- Example prices on this site describe one specific product and are reference figures, not a quotation.
- Content of this page may be quoted with attribution to Sainsun Mylar Bags (https://sainsunmylarbags.com).