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Security Envelopes

When it's important that documents and letters stay safe and secure, our security envelopes offer protection for confidential contents. Security-tinted envelopes give you the peace of mind that confidential contents won't be seen during transit.

Envelopes Categories

Security Envelopes

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GoSecure C5 Documents Enclosed Envelopes (Pack of 1000)

1000 x GoSecure C5 Documents Enclosed Plain Envelopes - BLK71873

In Stock  In Stock, Available to order
Product code: 3320044

£43.30 ex. VAT

£51.96 inc. VAT

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Avery Dennison Ticket Attachment 20mm (Pack of 5000)

5000 x Avery Dennison 20 mm Ticket Attatchments with Paddle End - 02121

In Stock  In Stock, Available to order
Product code: 112-1884

£6.84 ex. VAT

£8.21 inc. VAT

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Go Secure Blue High Security Mailing Pouch

Go Secure W267 x D50 x H267mm High Security Mailing Pouch in Blue - VP95311

In Stock  In Stock, Available to order
Product code: 116-5361

£3.71 ex. VAT

£4.45 inc. VAT

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Go Secure Blue Bulk Mailing Pouch

Tamper Evident Security Pouch for Important Documents - VP99671

In Stock  In Stock, Available to order
Product code: 116-5571

£9.62 ex. VAT

£11.54 inc. VAT

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Minigrip 150x230mm Write-on Resealable Bag (Pack of 1000)

Pack of 1000 Minigrip Re-sealable Clear Plastic Bags with White Write-on Area

In Stock  In Stock, Available to order
Product code: 125-6153

£25.20 ex. VAT

£30.24 inc. VAT

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Go Secure Extra Strong Polythene Envelopes 360x430mm (Pack of 25)

Go Secure Extra Strong Polythene Envelopes 360x430mm Pack of 25 PB08220

In Stock  In Stock, Available to order
Product code: 1270368

£5.85 ex. VAT

£7.02 inc. VAT

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Go Secure Extra Strong Polythene Envelopes 245x320mm (Pack of 25)

Go Secure Extra Strong Polythene Envelopes 245x320mm Pack of 25 PB08222

In Stock  In Stock, Available to order
Product code: 1270369

£5.09 ex. VAT

£6.11 inc. VAT

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Go Secure Extra Strong Polythene Envelopes 460x430mm (Pack of 25)

Go Secure Extra Strong Polythene Envelopes 460x430mm Pack of 25 PB08224

In Stock  In Stock, Available to order
Product code: 1270370

£5.30 ex. VAT

£6.36 inc. VAT

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Go Secure 610x700mm Extra Strong Polythene Envelopes, Pack of 25

25 x Go Secure Extra Strong Polythene Envelopes 610x700mm. Tear resistant and water repellent - PB08226

In Stock  In Stock, Available to order
Product code: 1270371

£19.00 ex. VAT

£22.80 inc. VAT

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Go Secure Extra Strong Polythene Envelopes 165x240mm (Pack of 25)

Go Secure Extra Strong Polythene Envelopes. Pack of 25 PB08228. Tear resistant and water repellent. Durable and tough polythene construction. Internal/External dimensions: 165x240mm.

In Stock  In Stock, Available to order
Product code: 1270372

£2.69 ex. VAT

£3.23 inc. VAT

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Tyvek D4 Gusset Envelope, 381 x 254 x 51mm (Pack of 100)

100 x Tyvek Peel and Seal D4 381 x 254 Envelopes with 51mm Gusset in White - 11844

In Stock  In Stock, Available to order
Product code: 147-3454

£104.95 ex. VAT

£125.94 inc. VAT

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Write-on Clear 100 x 140mm Minigrip Bag (Pack of 1000)

1000 x Minigrip Re-sealable 100x140mm Clear Plastic Bags with White Write-on Area - 11918

In Stock  In Stock, Available to order
Product code: 0718860

£12.93 ex. VAT

£15.52 inc. VAT

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Security Envelopes

Security Envelopes offer high-quality protection for confidential documents. The security envelopes in our range include those with tinted finishes and tamper-evident pouches for all your office's important and sensitive correspondence. With flaps that are easy to close, these envelopes with tinted finishes are quick and easy to use, and their security tint ensures that nobody can read the contents. Security envelopes can hold standard letter-size documents. You'll also find our tamper-evident mailing pouches in a variety of different sizes, which are ideal for reliably sending many types of items, including paper documents and larger items. Made from heavyweight materials coated with PVC, these security envelopes feature an address window and a label patch that can only be reached by internal access for added safety. A zip-closure lock seals securely to prevent tampering. Reap the benefits from envelopes designed for security. Security envelopes have numerous benefits, which includes security flaps, increased privacy and high quality materials. You’ll find user-friendly flaps that offer firm closures. Easy-to-close tinted envelopes offer a secure, self-sealing flap, which is fast and easy to use, with either a sticky seal or lockable zip closure. These will ensure envelopes remain closed under extreme circumstances. Security-tinted envelopes prevent people from peering inside, even if held to the light. PVC-coated pouches ensure privacy through their impermeable material and lockable zip closure. Meaning that your confidential documents will stay that way. Our security envelopes are made from high quality materials like densely woven paper, which protects contents in even the worst conditions. PVC-coated pouches are extremely robust and durable, and they're approved across the postal industry. Buy security envelopes in bulk to ensure that you have sufficient office supplies and essentials. You can order packs of up to 100 to ensure that you won’t be running out of security envelopes. Order from our range of security envelopes online today and take advantage of Staples next day delivery to get your order delivered direct to your door or business address.