{"product_id":"custom-printed-self-seal-envelopes","title":"Customised Printed Self Seal Envelopes","description":"\u003ch2 class=\"producth2\"\u003eFull-Colour Personalised Self Seal Envelopes\u003c\/h2\u003e\n\u003cp\u003eKeep your outgoing mail professional, secure, and on-brand with our custom printed self seal envelopes. Designed for speed and convenience, these peel-and-seal envelopes remove the need for licking or moistening - making them a time-saving essential for busy offices, e-commerce dispatch, marketing mailouts, and everyday business post.\u003c\/p\u003e\n\u003cul class=\"productbullets\"\u003e\n\u003cli\u003e\n\u003cspan class=\"bold\"\u003eVibrant full-colour print:\u003c\/span\u003e Add your logo, branding or artwork in crisp digital colour to make every envelope instantly recognisable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"bold\"\u003e5-star rated quality:\u003c\/span\u003e Trusted by businesses for sharp print, clean presentation and dependable envelope performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"bold\"\u003ePrinted proof \u0026amp; satisfaction guarantee:\u003c\/span\u003e Approve a full printed sample of your self seal envelope before we go into full production.*\u003cbr\u003e\u003cspan class=\"font10\"\u003e*Please note this excludes printed single sample orders.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"bold\"\u003eFast turnaround:\u003c\/span\u003e Printed and delivered in as little as a few days - ideal for time-sensitive campaigns or stationery restocks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"bold\"\u003eUK made \u0026amp; printed:\u003c\/span\u003e Manufactured and printed in the UK for consistent quality and reduced transport miles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"bold\"\u003ePEFC certified paper:\u003c\/span\u003e Produced using PEFC-accredited paper with 60%–90% recycled content for a more responsible packaging choice.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"bold\"\u003eLetterbox \u0026amp; postage friendly:\u003c\/span\u003e Sized to meet Royal Mail standards and fit through standard letterboxes, helping reduce missed deliveries and avoid unnecessary postage costs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"bold\"\u003eClear size guidance:\u003c\/span\u003e Envelope sizes shown are internal dimensions listed as \u003cspan class=\"bold\"\u003eHeight x Length\u003c\/span\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"producth3\"\u003eWindow Sizes \u0026amp; Placement\u003c\/h3\u003e\n\u003cul class=\"productbullets\"\u003e\n\u003cli\u003e\n\u003cspan class=\"bold\"\u003eDL self seal envelope:\u003c\/span\u003e Window size 35x90mm. Placement 19mm from left, 18mm from bottom.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"bold\"\u003eC5 self seal envelope:\u003c\/span\u003e Window size 45x90mm. Placement 20mm from left, 60mm from bottom.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"bold\"\u003eC4 self seal envelope:\u003c\/span\u003e Window size 40x105mm. Placement 24mm from left, 213mm from bottom.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"producth3\"\u003eConsidering a printed sample?\u003c\/h3\u003e\n\u003cp\u003eWe offer an optional printed sample so you can confirm colour quality, print sharpness and suitability before ordering in larger quantities. When you proceed with a full order of the same design, we will refund the cost of the sample.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"bold\"\u003ePlease note:\u003c\/span\u003e Minor branding or barcodes may appear on the self seal envelope. Images shown are for guidance only and the supplied product may differ slightly.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"bold\"\u003eDue to manufacturing tolerances, actual item dimensions may vary by 10–20mm. If sizing accuracy is essential, we recommend ordering a sample before placing a larger order.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"producth3\"\u003eAuthentic Product Photography\u003c\/h3\u003e\n\u003cp\u003eAll images displayed on Parcelsend UK represent genuine printed jobs we have produced. No visuals on this page are created or enhanced using AI - every photograph is taken from real customer orders to give you an honest representation of print quality and finish.\u003c\/p\u003e\u003cdiv id=\"zakeke-product-tag\" style=\"display:none\" data-product-id=\"15234544009591\" data-enviroment=\"Customizer\"\u003e\u003c\/div\u003e","brand":"Parcelsend UK","offers":[{"title":"C4 - 324mm x 229mm - Box Of 500 \/ Non-Windowed \/ Front Side Only","offer_id":56154853048695,"sku":"MCP-C4SSWNW-PF-PSUK","price":121.0,"currency_code":"GBP","in_stock":true},{"title":"C4 - 324mm x 229mm - Box Of 500 \/ Non-Windowed \/ Rear Side Only","offer_id":56154853081463,"sku":"MCP-C4SSWNW-PR-PSUK","price":121.0,"currency_code":"GBP","in_stock":true},{"title":"C4 - 324mm x 229mm - Box Of 500 \/ Non-Windowed \/ Front \u0026 Rear Sides","offer_id":56154853114231,"sku":"MCP-C4SSWNW-P2-PSUK","price":145.2,"currency_code":"GBP","in_stock":true},{"title":"C4 - 324mm x 229mm - Box Of 500 \/ Windowed \/ Front Side Only","offer_id":56154853146999,"sku":"MCP-C4SSWW-PF-PSUK","price":123.75,"currency_code":"GBP","in_stock":true},{"title":"C4 - 324mm x 229mm - Box Of 500 \/ Windowed \/ Rear Side Only","offer_id":56154853179767,"sku":"MCP-C4SSWW-PR-PSUK","price":123.75,"currency_code":"GBP","in_stock":true},{"title":"C4 - 324mm x 229mm - Box Of 500 \/ Windowed \/ Front \u0026 Rear Sides","offer_id":56154853212535,"sku":"MCP-C4SSWW-P2-PSUK","price":148.5,"currency_code":"GBP","in_stock":true},{"title":"C5 - 162mm x 229mm - Box Of 500 \/ Non-Windowed \/ Front Side Only","offer_id":56154853245303,"sku":"MCP-C5SSWNW-PF-PSUK","price":83.49,"currency_code":"GBP","in_stock":true},{"title":"C5 - 162mm x 229mm - Box Of 500 \/ Non-Windowed \/ Rear Side Only","offer_id":56154853278071,"sku":"MCP-C5SSWNW-PR-PSUK","price":83.49,"currency_code":"GBP","in_stock":true},{"title":"C5 - 162mm x 229mm - Box Of 500 \/ Non-Windowed \/ Front \u0026 Rear Sides","offer_id":56154853310839,"sku":"MCP-C5SSWNW-P2-PSUK","price":96.14,"currency_code":"GBP","in_stock":true},{"title":"C5 - 162mm x 229mm - Box Of 500 \/ Windowed \/ Front Side Only","offer_id":56154853343607,"sku":"MCP-C5SSWW-PF-PSUK","price":94.38,"currency_code":"GBP","in_stock":true},{"title":"C5 - 162mm x 229mm - Box Of 500 \/ Windowed \/ Rear Side Only","offer_id":56154853376375,"sku":"MCP-C5SSWW-PR-PSUK","price":94.38,"currency_code":"GBP","in_stock":true},{"title":"C5 - 162mm x 229mm - Box Of 500 \/ Windowed \/ Front \u0026 Rear Sides","offer_id":56154853409143,"sku":"MCP-C5SSWW-P2-PSUK","price":108.68,"currency_code":"GBP","in_stock":true},{"title":"DL - 110mm x 220mm - Box Of 500 \/ Non-Windowed \/ Front Side Only","offer_id":56154853441911,"sku":"MCP-DLSSWNW-PF-PSUK","price":61.71,"currency_code":"GBP","in_stock":true},{"title":"DL - 110mm x 220mm - Box Of 500 \/ Non-Windowed \/ Rear Side Only","offer_id":56154853474679,"sku":"MCP-DLSSWNW-PR-PSUK","price":61.71,"currency_code":"GBP","in_stock":true},{"title":"DL - 110mm x 220mm - Box Of 500 \/ Non-Windowed \/ Front \u0026 Rear Sides","offer_id":56154853507447,"sku":"MCP-DLSSWNW-P2-PSUK","price":71.06,"currency_code":"GBP","in_stock":true},{"title":"DL - 110mm x 220mm - Box Of 500 \/ Windowed \/ Front Side Only","offer_id":56154853540215,"sku":"MCP-DLSSWW-PF-PSUK","price":54.45,"currency_code":"GBP","in_stock":true},{"title":"DL - 110mm x 220mm - Box Of 500 \/ Windowed \/ Rear Side Only","offer_id":56154853572983,"sku":"MCP-DLSSWW-PR-PSUK","price":54.45,"currency_code":"GBP","in_stock":true},{"title":"DL - 110mm x 220mm - Box Of 500 \/ Windowed \/ Front \u0026 Rear Sides","offer_id":56154853605751,"sku":"MCP-DLSSWW-P2-PSUK","price":62.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0437\/0094\/5064\/files\/customised-printed-self-seal-envelopes-mix-1.jpg?v=1763563288","url":"https:\/\/parcelsend.uk\/products\/custom-printed-self-seal-envelopes","provider":"Parcelsend UK","version":"1.0","type":"link"}