1. Product details :
These tamper-proof security envelopes / security bag can leave clear and indelible mark to any attempt of unauthorized opening , thus be able to provide perfect optical opaqueness and ensure maximum confidentiality .
2. Application
Self-self with Tamper Evident Tape
* Hidden message is revealed when bag is opened.
* Sequential Numbering and Barcode on individual bag.
* Tearing off receipt with tracking numbers, Custom colors and logos.
* Deep - freeze detection.
* Heat indicator available
* With or without adhesive.
* Impact and tear resistant
* Heating & Freezing resistant
* Waterproof
* Safe delivery
* Deter unauthorized read or theft for Security Envelopes
3.Features & Fuctions:
1. High definition, good sensitivity and strong chemical stability, high-end and decent for packing
2. Clear delineation of responsibility for the goods, protect them in the transit effectively
3. Reduce the risks of being tamper, earn your customers' trust
4. Private logo & message can be printed according to your request, size customized.
* High security cash transit companies.
* Police and judicial criminal divisions amassing trial evidence.
* Security services transporting top-secret documents.
* Credit card companies
4.Picture
5. FAQ
When can I get the price?
Usually we quote within 8 hours after we get your inquiry.
How can I get a sample to check your quality?
After price confirmation, you can require for samples to check our quality.Free for standard blank samples to check the printing and material quality, only express charge required. For customized printing samples, we will charge fair price to cover the cost on material &printing.
What kind of design files do you accept for printing?
AI, CDR is better for us .
Can you do the design for us?
Yes. We have a professional design team with rich experience in design and manufacturing.
How long can I expect to get the samples?
After you pay the sample charge and send us confirmed design files, the samples will be ready for delivery in 3-5 days. The samples will be sent to you via express and arrive at your door within 3-5 days.
What about the lead time for mass production?
Honestly, it depends on the order quantity and the season you place the order. Alway 3-5 days based on 100,000pcs.
What is your terms of delivery?
We accept EXW, FOB, CFR, CIF/CNF, DDU, DDP, etc. You can choose the one which is the most convenient or cost effective for you.
Audited Supplier 
){kind=link}