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Collection: Peel & Seal

Fast, reliable closure across the entire range. Peel and seal envelopes and mailers feature a peel-away protective strip covering a permanent self-adhesive band - press to close, sealed instantly, no moisture required. Available across business envelopes, coloured envelopes, board-backed mailers and mailing bags.

Browse related: Peel and Seal Business Envelopes | Self Seal | Business Envelopes

188 products

Ivory Coloured Peel and Seal V Flap Envelopes - 62 x 94mm

Ivory Coloured Peel and Seal V Flap Envelopes

Regular price From £0.18
Sale price Regular price
Purple Coloured Peel and Seal Envelopes - C4 - 324 x 229mm

Purple Coloured Peel and Seal Envelopes

Regular price
Sale price From £0.16 Regular price £0.31
Black Premium Peel and Seal 180gsm Envelopes - Pocket Yes C6 - 162 x 114 x 25mm
Eco Product

Black Premium Peel and Seal 180gsm Envelopes

Regular price
Sale price From £0.26 Regular price £0.58
Silver Coloured Peel and Seal Envelopes - C5 - 162 x 229mm

Silver Coloured Peel and Seal Envelopes

Regular price
Sale price From £0.24 Regular price £0.29
Manila Coloured Peel and Seal Envelopes - 120gsm C5 - 229 x 162mm

Manila Coloured Peel and Seal Envelopes

Regular price
Sale price From £0.14 Regular price £0.17
White Board Back Envelopes - Yes With Window C4 - 324 x 229mm
Eco Product

White Board Back Envelopes

Regular price From £0.14
Sale price Regular price
Black Matt Finish Bubble Bag Mailers - 145 x 90mm

Black Matt Finish Bubble Bag Mailers

Regular price From £0.48
Sale price Regular price
Black Coloured Peel and Seal V Flap Envelopes - 62 x 94mm

Black Coloured Peel and Seal V Flap Envelopes

Regular price From £0.18
Sale price Regular price
Black Eco Friendly Bubble Bag Mailers - 165 x 100mm
Eco Product

Black Eco Friendly Bubble Bag Mailers

Regular price
Sale price From £0.10 Regular price £0.14
White Premium Peel and Seal 180gsm Envelopes - Wallet 114 x 229mm
Eco Product

White Premium Peel and Seal 180gsm Envelopes

Regular price
Sale price From £0.20 Regular price £0.43
Clear Translucent Envelopes - Square - 160 x 160mm

Clear Translucent Envelopes

Regular price
Sale price From £0.39 Regular price £1.34
Dark Red Coloured Gummed V Flap Envelopes - 125 x 175mm
Eco Product

Dark Red Coloured Gummed V Flap Envelopes

Regular price From £0.07
Sale price Regular price
Mid Green Coloured Peel and Seal Envelopes - C4 - 324 x 229mm

Mid Green Coloured Peel and Seal Envelopes

Regular price From £0.31
Sale price Regular price
Dark Green Eco Friendly Bubble Bag Mailers - 165 x 100mm
Eco Product

Dark Green Eco Friendly Bubble Bag Mailers

Regular price
Sale price From £0.17 Regular price £0.25
Navy Blue Coloured Peel and Seal V Flap Envelopes - 62 x 94mm

Navy Blue Coloured Peel and Seal V Flap Envelopes

Regular price From £0.18
Sale price Regular price £0.00
White Corrugated Paper Bubble Bag Mailers - 340 x 240mm

White Corrugated Paper Bubble Bag Mailers

Regular price From £0.19
Sale price Regular price
Dark Yellow Coloured Peel and Seal Envelopes - Without Window C4 - 324 x 229mm

Dark Yellow Coloured Peel and Seal Envelopes

Regular price
Sale price From £0.07 Regular price £0.31
Silver Matt Finish Bubble Bag Mailers - 145 x 90mm

Silver Matt Finish Bubble Bag Mailers

Regular price
Sale price From £0.41 Regular price £0.80
Recycled Manila Gusset Peel & Seal Envelopes - 120gsm Without Window C6 - 162 x 114 x 25mm
Eco Product

Recycled Manila Gusset Peel & Seal Envelopes

Regular price From £0.25
Sale price Regular price
Orange Eco Friendly Bubble Bag Mailers - 165 x 100mm
Eco Product

Orange Eco Friendly Bubble Bag Mailers

Regular price
Sale price From £0.36 Regular price £0.51
White Eco Friendly Bubble Bag Mailers - 165 x 100mm
Eco Product

White Eco Friendly Bubble Bag Mailers

Regular price
Sale price From £0.30 Regular price £0.43
Polyethylene Shipping Mailers - 330 x 250mm
Eco Product

Polyethylene Shipping Mailers

Regular price From £0.08
Sale price Regular price
White Board Back Envelopes (White Board) - C4 - 324 x 229mm

White Board Back Envelopes (White Board)

Regular price From £0.23
Sale price Regular price
Pale Grey Coloured Peel and Seal Envelopes - C4 - 324 x 229mm

Pale Grey Coloured Peel and Seal Envelopes

Regular price
Sale price From £0.25 Regular price £0.31
Navy Blue Coloured Peel and Seal Envelopes - Without Window Square - 126 x 126mm

Navy Blue Coloured Peel and Seal Envelopes

Regular price
Sale price From £0.13 Regular price £0.16
Recycled White Gusset Peel & Seal Envelopes - Without Window 254 x 178mm
Eco Product

Recycled White Gusset Peel & Seal Envelopes

Regular price From £0.23
Sale price Regular price
White Premium Business Envelopes - Without Window N A C4 - 324 x 229mm

White Premium Business Envelopes

Regular price
Sale price From £0.10 Regular price £0.12
Silver Textured Envelopes - DL - 110 x 220mm
Eco Product

Silver Textured Envelopes

Regular price
Sale price From £0.11 Regular price £0.18
Blue Coloured Peel and Seal Envelopes -

Blue Coloured Peel and Seal Envelopes

Regular price
Sale price From £0.13 Regular price £0.16

More About "Peel & Seal"

Peel & Seal feature a peel & seal closure, self-adhesive strip protected by a peel-off liner, making them faster and cleaner for higher-volume dispatch. The range covers over 185 products across over 275 sizes and a range of colour options, at 22–350gsm paper weights.

Benefits of Peel & Seal

  • Peel & Seal closure — self-adhesive strip protected by a peel-off liner, making them faster and cleaner for higher-volume dispatch.
  • Multiple sizes — including Square - 110 x 110mm, DL - 110 x 220mm, C6 - 114 x 162mm, Square - 125 x 125mm.
  • Colour range — a range of colour options across the range.
  • Paper weight choice — 22–350gsm.
  • Royal Mail compatible — qualifies as large letter or letter or medium parcel or small parcel within standard weight limits.

Frequently Asked Questions

When should I choose peel & seal envelopes?
Peel & Seal envelopes are the preferred choice for business mailings, e-commerce dispatch and any application requiring fast, clean closure at volume. The peel & seal closure self-adhesive strip protected by a peel-off liner, making them faster and cleaner for higher-volume dispatch.

What sizes are available?
Available in over 275 sizes: 22 x 36mm, 25 x 46mm, 34 x 64mm, 99 x 34mm, 35 x 70mm, 35 x 230mm. Standard formats include DL, C6, C5 and C4 for correspondence and documents, plus square formats for greeting cards.

Do these come in colours?
Yes — a range of colour options are available across the range. Coloured envelopes with a peel & seal seal are particularly popular for greeting cards and invitation campaigns.

Customer Feedback

What Our Customers Say

See why we’re trusted as by thousands of UK businesses for packaging and envelopes through our customer reviews.

Black and white photo of a person with long hair against a plain background

Envelope Printing Customer

Branded envelopes that felt event-ready

We needed branded envelopes for a client event and they looked exactly right. The team were helpful from start to finish and made sure everything moved quickly so we could meet our deadline. A really smooth experience for printed envelopes.

Woman with long brown hair wearing a beige top against a plain background

Envelope Customer

Quick fix after an order issue

My order arrived with a problem, but after I emailed the team I received a quick response and the issue was sorted straight away. It was handled professionally and made me feel confident about ordering again.

Man in a suit with a blurred green outdoor background

First Time Customer

Fast support when delivery went wrong

There was an issue with the courier delivering to my address, but the team dealt with it quickly and kept things moving. A replacement was arranged and the previous order was refunded without any fuss. It gave me a good first impression and I would order again.

Woman wearing a yellow sweater with a plain background

Wholesale+ Member

Reliable support for regular orders

The courier caused a problem, but Jess and Kelly were quick to help and did everything they could to sort it. They also looked at the products I order regularly and helped make future orders easier. Good value, good quality and service that feels genuinely useful.

Woman with gray hair wearing a blue top against a light gray background

Envelope Printing Customer

Easy custom printed envelope order

Ordering custom printed envelopes was straightforward from the start. James answered my questions clearly, the order arrived when expected and the finished envelopes were great quality. I would be happy to use the service again.

Man wearing a light gray sweater over a collared shirt on a plain background

Wholesale+ Member

Helpful and easy to deal with

A very straightforward company to buy from. The team were helpful, clear with communication and easy to deal with, which makes a big difference when ordering packaging regularly.

Man wearing a dark suit with a red tie against a plain background

Sample Customer

Helpful advice before ordering

The team helped point me towards the right product before I placed my order. It made the decision much easier and gave me confidence that I was choosing the right packaging for what I needed.

Man in a suit smiling outdoors with a blurred background

Packaging Customer

Useful support for flat pack cartons

Useful support for flat pack cartons