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- Overview
- Recommended Products
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.
| 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
