{"product_id":"royal-mail-pip-c5-large-letter-cardboard-postal-boxes","title":"Royal Mail PiP C5 Large Letter Cardboard Postal Boxes","description":"\u003cp style=\"margin: 1em 0;\"\u003eThese C5 large letter postal boxes are manufactured from durable single-wall corrugated cardboard to protect items in transit. Designed with tuck-in flaps, they offer quick and intuitive assembly without requiring tape or tools while qualifying for standard Royal Mail Pricing in Proportion rates.\u003c\/p\u003e\n\u003cp style=\"margin: 1em 0;\"\u003eDelivered flat-packed for compact, space-saving storage, each box is crafted from 50% to 90% recycled materials and remains fully recyclable. Ideal for ecommerce shipping and personal parcel delivery, these boxes securely accommodate a wide variety of small items.\u003c\/p\u003e\n\u003ch3 style=\"margin: 1.25em 0 0.5em;\"\u003eKey Features\u003c\/h3\u003e\n\u003ctable class=\"pu-table\" style=\"width: 100%; border-collapse: separate; border-spacing: 0; border: 0; box-shadow: none; outline: none; background: none; table-layout: fixed; margin: 0 0 1em;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 0; padding: 0.4em 0.75em 0.4em 0; opacity: 0.65; vertical-align: top; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd style=\"border: 0; padding: 0.4em 0; vertical-align: top; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003ePostal Box\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 0; padding: 0.4em 0.75em 0.4em 0; opacity: 0.65; vertical-align: top; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"border: 0; padding: 0.4em 0; vertical-align: top; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003eSingle-Wall Corrugated Cardboard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 0; padding: 0.4em 0.75em 0.4em 0; opacity: 0.65; vertical-align: top; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003eClosure Type\u003c\/td\u003e\n\u003ctd style=\"border: 0; padding: 0.4em 0; vertical-align: top; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003eTuck-in Flaps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 0; padding: 0.4em 0.75em 0.4em 0; opacity: 0.65; vertical-align: top; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003eLength\u003c\/td\u003e\n\u003ctd style=\"border: 0; padding: 0.4em 0; vertical-align: top; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003e21.8 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 0; padding: 0.4em 0.75em 0.4em 0; opacity: 0.65; vertical-align: top; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003eWidth\u003c\/td\u003e\n\u003ctd style=\"border: 0; padding: 0.4em 0; vertical-align: top; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003e10.8 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 0; padding: 0.4em 0.75em 0.4em 0; opacity: 0.65; vertical-align: top; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003eHeight\u003c\/td\u003e\n\u003ctd style=\"border: 0; padding: 0.4em 0; vertical-align: top; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003e2 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 0; padding: 0.4em 0.75em 0.4em 0; opacity: 0.65; vertical-align: top; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003eFormat\u003c\/td\u003e\n\u003ctd style=\"border: 0; padding: 0.4em 0; vertical-align: top; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003eC5 Large Letter (Royal Mail PiP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 0; padding: 0.4em 0.75em 0.4em 0; opacity: 0.65; vertical-align: top;\"\u003eRecycled Content\u003c\/td\u003e\n\u003ctd style=\"border: 0; padding: 0.4em 0; vertical-align: top;\"\u003e50%–90% Recycled Material\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"margin: 1.25em 0 0.5em;\"\u003eHighlights\u003c\/h3\u003e\n\u003cul style=\"margin: 1em 0;\"\u003e\n\u003cli\u003eBrown cardboard postal boxes, brown inside and out\u003c\/li\u003e\n\u003cli\u003eSmall parcel size\u003c\/li\u003e\n\u003cli\u003eTuck-in-flaps\u003c\/li\u003e\n\u003cli\u003ePiP Small Parcel compliant\u003c\/li\u003e\n\u003cli\u003eEasifold design\u003c\/li\u003e\n\u003cli\u003eFast assembly\u003c\/li\u003e\n\u003cli\u003eWeight limitation of 750g on the large letter service; each box weighs approximately 30g-35g.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin: 1.25em 0 0.5em;\"\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eMaterials \u0026amp; care\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp style=\"margin: 1em 0;\"\u003eStore flat in a dry environment away from moisture and direct heat to preserve the rigidity of the corrugated board.\u003c\/p\u003e\n\u003ch3 style=\"margin: 1.25em 0 0.5em;\"\u003eHow to use\u003c\/h3\u003e\n\u003cp style=\"margin: 1em 0;\"\u003eFold along the pre-creased lines from the flat-packed sheet and secure the tuck-in flaps into place to form the box. Place your items inside with protective void fill if needed, then close the lid securely.\u003c\/p\u003e\n\u003ctable class=\"pu-table\" style=\"width: 100%; border-collapse: separate; border-spacing: 0; border: 0; box-shadow: none; outline: none; background: none; table-layout: fixed; margin: 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 0; padding: 0;\"\u003e\n\u003ch3 style=\"margin: 1.25em 0 0.5em;\"\u003eFrequently asked questions\u003c\/h3\u003e\n\u003ctable class=\"pu-table\" style=\"width: 100%; border-collapse: separate; border-spacing: 0; border: 0; box-shadow: none; outline: none; background: none; table-layout: fixed; margin: 0 0 1em;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 0; padding: 0; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003e\n\u003cdetails class=\"pu-faq\" style=\"padding: 0.45em 0;\"\u003e\n\u003csummary style=\"cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 10px; list-style: none;\"\u003e\u003cstrong\u003eDo these boxes qualify for Royal Mail Large Letter rates?\u003c\/strong\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" width=\"18\" height=\"18\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.75\" stroke-linecap=\"round\" stroke-linejoin=\"round\" class=\"pu-faq-c\" style=\"width: 1em; height: 1em; flex: none; opacity: 0.6; transition: transform 0.15s;\" aria-hidden=\"true\"\u003e\u003cpath d=\"M6 9l6 6l6 -6\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/summary\u003e\n\u003cp style=\"margin: 0.4em 0 0;\"\u003eYes, these boxes are designed to adhere to Royal Mail Pricing in Proportion (PiP) Large Letter specifications.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 0; padding: 0; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003e\n\u003cdetails class=\"pu-faq\" style=\"padding: 0.45em 0;\"\u003e\n\u003csummary style=\"cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 10px; list-style: none;\"\u003e\u003cstrong\u003eHow are the boxes supplied?\u003c\/strong\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" width=\"18\" height=\"18\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.75\" stroke-linecap=\"round\" stroke-linejoin=\"round\" class=\"pu-faq-c\" style=\"width: 1em; height: 1em; flex: none; opacity: 0.6; transition: transform 0.15s;\" aria-hidden=\"true\"\u003e\u003cpath d=\"M6 9l6 6l6 -6\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/summary\u003e\n\u003cp style=\"margin: 0.4em 0 0;\"\u003eThey are supplied flat-packed for convenient, space-saving storage and assemble quickly without tape or tools.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 0; padding: 0; border-bottom: 1px solid color-mix(in srgb,currentColor 12%,transparent);\"\u003e\n\u003cdetails class=\"pu-faq\" style=\"padding: 0.45em 0;\"\u003e\n\u003csummary style=\"cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 10px; list-style: none;\"\u003e\u003cstrong\u003eWhat material is used to make these postal boxes?\u003c\/strong\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" width=\"18\" height=\"18\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.75\" stroke-linecap=\"round\" stroke-linejoin=\"round\" class=\"pu-faq-c\" style=\"width: 1em; height: 1em; flex: none; opacity: 0.6; transition: transform 0.15s;\" aria-hidden=\"true\"\u003e\u003cpath d=\"M6 9l6 6l6 -6\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/summary\u003e\n\u003cp style=\"margin: 0.4em 0 0;\"\u003eThey are made from strong single-wall corrugated cardboard containing between 50% and 90% recycled material.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 0; padding: 0;\"\u003e\n\u003cdetails class=\"pu-faq\" style=\"padding: 0.45em 0;\"\u003e\n\u003csummary style=\"cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 10px; list-style: none;\"\u003e\u003cstrong\u003eWhat is the weight of an individual box?\u003c\/strong\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" width=\"18\" height=\"18\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.75\" stroke-linecap=\"round\" stroke-linejoin=\"round\" class=\"pu-faq-c\" style=\"width: 1em; height: 1em; flex: none; opacity: 0.6; transition: transform 0.15s;\" aria-hidden=\"true\"\u003e\u003cpath d=\"M6 9l6 6l6 -6\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/summary\u003e\n\u003cp style=\"margin: 0.4em 0 0;\"\u003eEach box weighs approximately between 30g and 35g.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"MailSupplyCo","offers":[{"title":"5","offer_id":55472245145927,"sku":"PiP-225X160x20-5","price":5.99,"currency_code":"GBP","in_stock":true},{"title":"50","offer_id":55472245178695,"sku":"PiP-225X160x20-50","price":7.15,"currency_code":"GBP","in_stock":true},{"title":"100","offer_id":55472245211463,"sku":"PiP-225X160x20-100","price":14.29,"currency_code":"GBP","in_stock":true},{"title":"1000","offer_id":55472245244231,"sku":"PiP-225X160x20-1000","price":139.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/8432\/2375\/files\/c51.png?v=1792370322","url":"https:\/\/mailsupplyco.com\/products\/royal-mail-pip-c5-large-letter-cardboard-postal-boxes","provider":"MailSupplyCo","version":"1.0","type":"link"}