# Envelopes Ltd > Envelopes Ltd is a UK ecommerce supplier specialising in envelopes, postal packaging, paper and card for businesses and consumers. The product range includes standard, coloured, business, protective and specialist envelopes alongside ecommerce and postal packaging. > > Products may be sold individually, in packs or in bulk quantities depending on the item. > > Current prices, stock availability, quantity breaks, dimensions, specifications and delivery estimates should always be obtained from the relevant product page. > > Where category descriptions and individual product specifications differ, the individual product page should be treated as authoritative. ## Main Shopping Pages - [All Products](https://www.envelopespackaging.co.uk/all-products): Browse the complete range of envelopes, postal packaging, bags, paper, card and related products. - [Postal Packaging](https://www.envelopespackaging.co.uk/postal-packaging): Protective packaging and mailing products for ecommerce, business and postal use. - [Printed Envelopes](https://www.envelopespackaging.co.uk/printed-envelopes): Custom printed and personalised envelopes for business, branding, marketing and events. - [Paper and Card](https://www.envelopespackaging.co.uk/paper-card): Paper and cardstock in a range of sizes, colours, finishes and weights. ## Envelopes by Size - [C3 Envelopes](https://www.envelopespackaging.co.uk/c3-envelopes): 324 x 458mm envelopes suitable for A3 documents and other large-format contents. - [C4 Envelopes](https://www.envelopespackaging.co.uk/c4-envelopes): 229 x 324mm envelopes designed to accommodate A4 documents without folding. - [C5 Envelopes](https://www.envelopespackaging.co.uk/c5-envelopes): 162 x 229mm envelopes suitable for A5 documents or A4 sheets folded once. - [C6 Envelopes](https://www.envelopespackaging.co.uk/c6-envelopes): 114 x 162mm envelopes suitable for A6 cards, invitations and other small-format contents. - [C7 Envelopes](https://www.envelopespackaging.co.uk/c7-envelopes): 83 x 112mm small-format envelopes suitable for A7 cards and inserts. - [DL Envelopes](https://www.envelopespackaging.co.uk/dl-envelopes): 110 x 220mm envelopes commonly used for business correspondence and folded A4 documents. - [125 x 175mm Envelopes](https://www.envelopespackaging.co.uk/125x175mm-envelopes): 125 x 175mm envelopes for cards, invitations and other inserts. - [5 x 7 Envelopes](https://www.envelopespackaging.co.uk/133x184mm-envelopes): 133 x 184mm envelopes designed to accommodate standard 5 x 7 inch cards and prints. - [152 x 216mm Envelopes](https://www.envelopespackaging.co.uk/152x216mm-envelopes): 152 x 216mm envelopes suitable for A5 cards and similarly sized contents. - [Square Envelopes](https://www.envelopespackaging.co.uk/square-envelopes): Square envelopes available in multiple sizes, colours, materials and finishes. - [Small Envelopes](https://www.envelopespackaging.co.uk/small-envelopes): Small-format envelopes for cards, notes, vouchers, jewellery and other compact contents. ## Envelopes by Colour - [White Envelopes](https://www.envelopespackaging.co.uk/white-envelopes): White envelopes in a range of sizes, styles, paper weights and closure types. - [Black Envelopes](https://www.envelopespackaging.co.uk/black-envelopes): Black envelopes for invitations, cards, marketing and presentation. - [Red Envelopes](https://www.envelopespackaging.co.uk/red-envelopes): Red envelopes available in multiple sizes, styles and finishes. - [Blue Envelopes](https://www.envelopespackaging.co.uk/blue-envelopes): Blue envelopes available in multiple shades, sizes and finishes. - [Green Envelopes](https://www.envelopespackaging.co.uk/green-envelopes): Green envelopes available in multiple shades, sizes and finishes. - [Pink Envelopes](https://www.envelopespackaging.co.uk/pink-envelopes): Pink envelopes available in multiple shades, sizes and finishes. - [Brown Envelopes](https://www.envelopespackaging.co.uk/brown-envelopes): Brown and kraft-style envelopes in a range of sizes and formats. ## Envelopes by Style - [Business Envelopes](https://www.envelopespackaging.co.uk/business-envelopes): Envelopes for office correspondence, invoices, documents and general business mail. - [Window Envelopes](https://www.envelopespackaging.co.uk/window-envelopes): Envelopes with transparent windows for displaying addresses printed on enclosed documents. - [Pocket Envelopes](https://www.envelopespackaging.co.uk/pocket-envelopes): Envelopes with the opening and closure flap positioned on the short edge. - [V-Flap Envelopes](https://www.envelopespackaging.co.uk/v-flap-envelopes): Envelopes featuring a traditional pointed or V-shaped closure flap. - [Open Top Envelopes](https://www.envelopespackaging.co.uk/open-top-envelopes): Envelopes designed with an opening along the shorter edge for convenient access. - [Gusset Envelopes](https://www.envelopespackaging.co.uk/gusset-envelopes): Expandable envelopes with additional capacity for bulky documents, catalogues and thicker contents. - [String and Washer Envelopes](https://www.envelopespackaging.co.uk/string-washer-envelopes): Reusable envelopes secured using a string and washer closure, available in standard and gusseted formats. - [Board Envelopes](https://www.envelopespackaging.co.uk/board-envelopes): Heavy-duty board envelopes providing additional rigidity and protection for contents. - [Padded Envelopes](https://www.envelopespackaging.co.uk/padded-envelopes): Protective padded envelopes for posting items requiring additional cushioning. - [Tear Resistant Envelopes](https://www.envelopespackaging.co.uk/tear-resistant-envelopes): Durable tear-resistant envelopes for documents and bulky contents. ## Envelopes by Seal - [Peel and Seal Envelopes](https://www.envelopespackaging.co.uk/peel-and-seal-envelopes): Envelopes with an adhesive strip protected by a removable release liner. - [Gummed Envelopes](https://www.envelopespackaging.co.uk/gummed-envelopes): Traditional envelopes with a moisture-activated adhesive closure. - [String and Washer Envelopes](https://www.envelopespackaging.co.uk/string-washer-envelopes): Reusable envelopes closed by winding string around washer fasteners. ## Envelopes by Material and Finish - [Coloured Envelopes](https://www.envelopespackaging.co.uk/coloured-envelopes): Envelopes available in a broad range of colours, sizes and styles. - [Kraft Envelopes](https://www.envelopespackaging.co.uk/kraft-envelopes): Kraft paper envelopes in multiple sizes and styles. - [Recycled Envelopes](https://www.envelopespackaging.co.uk/recycled-envelopes): Envelopes manufactured using recycled paper materials. - [Laid Paper Envelopes](https://www.envelopespackaging.co.uk/laid-paper-envelopes): Envelopes manufactured from paper with a traditional laid textured finish. - [Translucent Envelopes](https://www.envelopespackaging.co.uk/translucent-envelopes): Semi-transparent envelopes manufactured from translucent paper. - [Metallic Envelopes](https://www.envelopespackaging.co.uk/metallic-envelopes): Envelopes with metallic and reflective finishes. - [Pearlescent Envelopes](https://www.envelopespackaging.co.uk/pearlescent-envelopes): Envelopes featuring pearlescent and lustre finishes. ## Envelopes by Use - [Greeting Card Envelopes](https://www.envelopespackaging.co.uk/greeting-card-envelopes): Envelopes suitable for greeting cards in common card sizes. - [Wedding Envelopes](https://www.envelopespackaging.co.uk/wedding-envelopes): Envelopes for wedding invitations, save-the-dates, RSVP cards and wedding stationery. - [Event Envelopes](https://www.envelopespackaging.co.uk/event-envelopes): Envelopes for invitations, celebrations and other events. ## Printed and Custom Envelopes - [Printed Envelopes](https://www.envelopespackaging.co.uk/printed-envelopes): Custom envelope printing for logos, branding, addresses, artwork and other designs. - [Bespoke Envelopes](https://www.envelopespackaging.co.uk/bespoke-envelopes): Bespoke envelope manufacturing and sourcing for requirements not covered by standard stocked products. - [Custom Packaging](https://www.envelopespackaging.co.uk/custom-packaging): Custom packaging solutions for business and branded applications. ## Postal Packaging - [Postal Packaging](https://www.envelopespackaging.co.uk/postal-packaging): Main range of packaging products for mailing, shipping and ecommerce fulfilment. - [Book Wrap Mailers](https://www.envelopespackaging.co.uk/book-wrap-mailers): Adjustable protective mailers for books and similarly shaped products. - [Book Mailers](https://www.envelopespackaging.co.uk/book-mailers): Protective postal packaging designed for books and other rigid items. - [Rigid Mailers](https://www.envelopespackaging.co.uk/rigid-mailers): Rigid mailing products designed to help protect flat contents from bending. - [Board Back Envelopes](https://www.envelopespackaging.co.uk/board-back-envelopes): Envelopes incorporating rigid board backing for documents and flat contents. - [Document Enclosed Wallets](https://www.envelopespackaging.co.uk/documents-enclosed-wallets): Adhesive document wallets for invoices, delivery notes and shipping documentation. - [Bubble Bags](https://www.envelopespackaging.co.uk/bubble-bags): Bubble-lined bags providing cushioning for items during storage and transit. - [Shipping Mailers](https://www.envelopespackaging.co.uk/shipping-mailers): Mailing bags and mailers for ecommerce and general shipping. - [Cardboard Boxes](https://www.envelopespackaging.co.uk/cardboard-boxes): Cardboard boxes for postal, ecommerce and packaging applications. - [Royal Mail PiP Postal Boxes](https://www.envelopespackaging.co.uk/royal-mail-pip-postal-boxes): Postal boxes designed around common Royal Mail Pricing in Proportion dimensions. - [Postal Tubes](https://www.envelopespackaging.co.uk/postal-tubes): Cylindrical packaging for posters, documents and other rolled contents. - [Shredded Paper](https://www.envelopespackaging.co.uk/shredded-paper): Shredded paper filler for protective packaging, presentation and gift packaging. ## Bags - [Cello Bags](https://www.envelopespackaging.co.uk/cello-bags): Clear bags commonly used to protect greeting cards, artwork, stationery and other products. - [Glassine Bags](https://www.envelopespackaging.co.uk/glassine-bags): Semi-transparent paper bags for stationery, artwork, food presentation and other applications. - [Organza Bags](https://www.envelopespackaging.co.uk/organza-bags): Lightweight drawstring bags for gifts, jewellery and presentation. - [Paper Mailing Bags](https://www.envelopespackaging.co.uk/paper-mailing-bags): Paper-based mailing bags for ecommerce and postal applications. - [Mailing Bags](https://www.envelopespackaging.co.uk/mailing-bags): Mailing bags for ecommerce, fulfilment and postal use. ## Paper and Card - [Paper and Cardstock](https://www.envelopespackaging.co.uk/paper-card): Paper and cardstock available in multiple sizes, colours, finishes and GSM weights. - [Card Blanks and Envelopes](https://www.envelopespackaging.co.uk/card-blanks-and-envelopes): Card blanks supplied with matching envelopes for greetings cards, invitations and stationery. ## Guides and Product Information - [Envelope Size Guide](https://www.envelopespackaging.co.uk/envelope-size-guide): Guide to standard envelope dimensions including C3, C4, C5, C6, C7 and DL and the paper sizes they accommodate. - [What is GSM?](https://www.envelopespackaging.co.uk/what-is-gsm): Explanation of GSM paper weight and how different weights relate to envelopes, paper and card. - [FAQ](https://www.envelopespackaging.co.uk/faq): Answers to common questions about products, sizes, samples, bespoke products, certification, orders and returns. ## Product Discovery - [New Products](https://www.envelopespackaging.co.uk/new-products): Recently introduced envelope and packaging products. - [Clearance](https://www.envelopespackaging.co.uk/clearance): Clearance products and reduced-price stock. - [End of Line](https://www.envelopespackaging.co.uk/end-of-line): End-of-line and discontinued product offers. ## Customer Information - [Who We Are](https://www.envelopespackaging.co.uk/who-we-are): Information about Envelopes Ltd. - [Contact Us](https://www.envelopespackaging.co.uk/contact-us): Customer service and sales contact information. - [Returns Policy](https://www.envelopespackaging.co.uk/returns-policy): Information about returns and refunds. - [Terms and Conditions](https://www.envelopespackaging.co.uk/terms-and-conditions): Terms governing purchases from Envelopes Ltd. - [Privacy and Cookie Policy](https://www.envelopespackaging.co.uk/privacy-policy): Information about privacy, personal data and cookies. ## Site Index - [All Products](https://www.envelopespackaging.co.uk/all-products): Browse the complete product catalogue. - [XML Sitemap](https://www.envelopespackaging.co.uk/sitemap_env.xml): Machine-readable index of public website URLs.