Custom resealable double zip lock bags feature two interlocking zipper tracks for maximum seal security. Singapore food manufacturers and logistics companies choose double zip bags when standard single-zipper seals aren’t enough, providing an extra layer of protection against moisture, pests, and tampering.
Key Features
- ✅ Double zipper track — two seals for double the protection
- ✅ Audible zip closure — confirms both tracks are sealed
- ✅ Superior moisture barrier — ideal for humidity-sensitive products
- ✅ Tamper-evident — visible if seal has been broken
- ✅ Heavy-gauge film (80-150 microns) — industrial-grade durability
- ✅ Custom printed — branding on the bag body
- ✅ Multiple sizes — from sample bags to bulk storage
Product Gallery
Product Specifications
| Dimension | Length x Width (fully customisable) |
| Thickness | From 40 micron (customisable) |
| Material | LDPE / LLDPE / Food-grade material |
| Closure | Double press-lock zipper seal |
| Printing | Up to 8 colours flexographic printing |
| Colour | Clear, white, or custom colour |
| Features | Dual-lock seal for maximum airtightness; extra security; spill-proof; reusable |
| Custom Options | Custom size, thickness, print, hang hole, colour |
Why Choose This Product?
Double zip lock bags are designed for applications where seal integrity is critical. Singapore’s food manufacturers use them for products that must stay fresh for extended periods, the double zipper provides a backup seal if the first track is not fully closed. Logistics companies use them for sensitive documents and electronics that need protection from Singapore’s high humidity. The thicker film (80-150 microns) and dual-track zipper make these bags significantly more robust than standard ziplock bags.
Common Applications in Singapore
- 🥩 Food manufacturing — meat, seafood, marinated product packaging
- 🔬 Labs — specimen and sample storage
- 📱 Electronics — moisture-sensitive component packaging
- 📋 Legal & finance — sensitive document storage
- 🏕️ Outdoor — waterproof storage for camping and travel
Frequently Asked Questions
How does double zip compare to single zip?
Double zip has two interlocking tracks. If the first track doesn’t seal completely, the second track provides backup protection.
What film thickness is available?
80-150 microns depending on application. Heavier gauges for industrial use.
Are these bags suitable for liquid storage?
Double zip bags provide improved resistance but are not guaranteed leak-proof for liquids. We recommend laminated stand up pouches for liquid containment.
Can I get these with custom printing?
Yes, up to full-colour flexographic printing on front and back.
What is the MOQ?
No minimum order quantity.
Common Applications in Singapore
- Food Packaging — Extra-secure bags for sauces, liquids, soups, and frozen food storage
- Pharmaceuticals — Double-sealed pouches for medications, supplements, and health products
- Ecommerce — Secure secondary packaging for small items shipped via courier
- Travel — Leak-proof bags for toiletries, cosmetics, and liquid carry-on items
- Laboratory & Industrial — Spill-proof sample bags for powders, granules, and chemicals
