dual-seal-evidence-bags, dual-seal-evidence-bags, /security-bags
EN
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dual-seal-evidence-bags, dual-seal-evidence-bags, /security-bags
EN 
dual-seal-evidence-bags, dual-seal-evidence-bags,
EN
Get A Quote
Dual-Seal Evidence Bags
Dual-Seal Evidence Bags
Dual-Seal Evidence Bags
Dual-Seal Evidence Bags
Dual-Seal Evidence Bags
Dual-Seal Evidence Bags
Dual-Seal Evidence Bags
Dual-Seal Evidence Bags
Dual-Seal Evidence Bags
Dual-Seal Evidence Bags

Dual-Seal Evidence Bags

Inquiry
  • Overview

Overview

Place of Origin China
Brand Name OEM / ODM / Richer
Material Multi-layer Co-extruded LDPE / HDPE film (optional recycled or biodegradable version); opaque inner layer for confidentiality
Type Dual-Seal Evidence Bags
Size Width: 150–600 mm / Length: 250–900 mm / Customized
Thickness 70–150 microns / Customized
Color Options White / Grey / Black / Transparent with security print / Custom Pantone colors
Printing Gravure Printing (Copper Plate Printing), up to 6 colors with custom LOGO, barcode, chain-of-custody form, or evidence markings
Closure Type Dual tamper-evident seal: primary VOID adhesive tape + secondary heat seal or zipper seal for double security
Serial Number Unique sequential numbering and barcode (QR / Code128 / EAN formats optional)
Surface Finish Matte or semi-gloss; writable area or printed chain-of-custody panel available
Tamper Evidence Color change or VOID message upon opening; irreversible once sealed
Packaging 50 / 100 pcs per bundle or custom export carton
Custom Order Accept OEM & ODM
Usage Law enforcement, forensic collection, banking, laboratory sample transport, and secure document handling
Certification ISO9001 / ISO14001 / REACH / RoHS / GRS (for recycled type)
Security Level Dual-seal high security (meets police and evidence handling standards)
Optional Features Transparent receipt pouch / Barcode & numbering / Writable area / Custom security printing / Void indicator
Shelf Life 24–36 months under standard storage
Packing Method Flat pack / Carton / Pallet export packaging

Highlights

  • Dual-Seal Protection: Combines VOID adhesive seal and secondary heat seal or zipper lock to prevent unauthorized access or resealing.

  • Chain-of-Custody Tracking: Each bag includes a unique serial number + barcode + writable panel to ensure traceability in evidence management.

  • Enhanced Security Film: Multi-layer co-extruded LDPE film resists tearing, puncture, and solvent tampering.

  • Custom Printing: Supports institutional branding, “EVIDENCE / DO NOT TAMPER” markings, or QR traceability system.

  • Compliant Use: Designed for law enforcement, forensic labs, customs, banks, and testing institutions.

  • Optional Add-ons: Transparent receipt pocket, documentation area, or color-coded versions for case differentiation.

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All products are certified by FDA, EU EN 13432, and US ASTM D6400. FSC certification is optional, with reports available for customs inspection.​

Sea/air freight & international courier (DHL/UPS/FedEx) are available. Delivery time = production (10-30 working days) + transportation (3-45 days based on method).​

We provide compostable PLA/cornstarch-based materials, recycled kraft paper, bamboo fiber, and degradable PE. Custom material combinations are available based on your needs.​

Free standard samples (1-5 units) are available; shipping cost is borne by the buyer. And please let us know your requirements and the delivery address.

Unit price is 10-20% higher than traditional plastic, but it avoids environmental fines (up to €50k in EU) and boosts customer loyalty by 30%.