{"format":"barcodepedia.product.v2","key":"05000159372251","url":"/product/5000159372251/mars-2-pack-king-size","version":{"number":2,"recorded_at":"2026-09-14T11:28:36.744Z","author_type":"site_bot","bot_pass":null,"change_note":"Front photo: Open Food Facts raw upload 1, checked by eye against the page (R22 A1 backfill)"},"product":{"schemaVersion":2,"identity":{"gtin":"05000159372251","name":"Mars 2 Pack King Size","brand":"brand/mars","family":"family/mars-bar","summary":"Twin-bar king-size edition of the Mars caramel and nougat bar, recorded on Open Food Facts as \"Mars 2 Pack\" and on the 2006-2013 Barcodepedia as a \"2er Pack\".","category":"category/10000045","last_seen":"2015-02-06","last_seen_note":"Date of the only photograph of this pack on Open Food Facts; no current retail listing for this GTIN was found.","default_observation":"off-front-2015"},"selectedId":"twin-pack-ref","observations":[{"id":"off-front-2015","label":"Front of the wrapper, photographed for Open Food Facts","kind":"label","market":[],"language":"nl","validFrom":null,"validUntil":null,"observed":"2015-02-06","status":"supported","source":"^off-photo","note":"Front only, 296 x 79 px: the black Mars livery with \"2PACK\" beside the logo and a corner flash reading \"2PACK KING SIZE\". 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Wikipedia records an 84 g king-size Mars bar replaced by an 85 g two-bar pack, which is not evidence for this article.","domain":"identity","source":"^wp-mars","observation":null},{"state":"unknown","detail":"No ingredient list for this pack has been read; the Open Food Facts record carries no ingredients text and only a 296 x 79 px front crop.","domain":"ingredients","source":"^off","observation":"off-front-2015"},{"state":"unknown","detail":"The pack's own nutrition panel has not been read; the values here are the composition published for the sibling twin pack and are declared secondary.","domain":"nutrition","source":"^off-sibling","observation":"off-front-2015"},{"state":"unknown","detail":"No retailer listing was found for this GTIN. 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Open Food Facts tags the record Belgium and its front photo is the Dutch-language front, neither of which is market evidence, so country_of_sale is left empty."},{"domain":"relationships","state":"unknown","detail":"Nothing found names the manufacturer, packer or the registrant of GS1 prefix 5000159; the 2008 Barcodepedia page's \"produced in United Kingdom by Masterfoods\" line was generated from the prefix."},{"domain":"evidence","state":"stale","detail":"Evidence was observed over a year ago; check for newer labels. Historical evidence remains valid.","observation":"off-front-2015"},{"domain":"schema","state":"schema_gap","detail":"Review and assign legacy facts to coherent observations.","observation":"__legacy"},{"domain":"ingredients","state":"not_researched","detail":"Ingredient statement or sourced exemption not recorded.","observation":"off-front-2015"},{"domain":"nutrition","state":"not_researched","detail":"Nutrition declaration or exemption not recorded.","observation":"off-front-2015"},{"domain":"ingredients","state":"not_researched","detail":"Ingredient statement or sourced exemption not recorded.","observation":"twin-pack-ref"},{"domain":"ingredients","state":"not_researched","detail":"Ingredient statement or sourced exemption not recorded.","observation":"__legacy"},{"domain":"nutrition","state":"not_researched","detail":"Nutrition declaration or exemption not recorded.","observation":"__legacy"}],"observations":[{"id":"off-front-2015","label":"Front of the wrapper, photographed for Open Food Facts","supportedValues":0,"declaredValues":0,"sourceLinked":0,"stale":true},{"id":"twin-pack-ref","label":"Published composition of the Mars two-bar pack 5000159408301","supportedValues":0,"declaredValues":8,"sourceLinked":8,"stale":false},{"id":"__legacy","label":"Evidence awaiting context review","supportedValues":0,"declaredValues":0,"sourceLinked":0,"stale":false}]},"images":[{"url":"https://world.openfoodfacts.org/product/5000159372251","kind":"front","note":null,"asset":"front-98066c4e.jpg","source":"open-food-facts","licence":"cc-by-sa-3.0","accessed":"2026-09-14","upscaled":true,"attribution":"Open Food Facts contributors","observation":null,"download_url":null,"match_method":"barcode","retrieved_at":"2026-09-14T11:28:36.742Z","stored_width":800,"stored_height":214,"original_width":296,"matched_barcode":"5000159372251","original_height":79,"match_confidence":1,"source_image_url":"https://images.openfoodfacts.org/images/products/500/015/937/2251/1.jpg","provider_image_id":"1","provider_entity_id":"5000159372251","asset_url":"/uploads/images/product/05000159372251/front-98066c4e.jpg"}],"data":{"meta":{"title":"Mars 2 Pack King Size (5000159372251)","description":"The twin-bar king-size Mars pack behind barcode 5000159372251, with its Open Food Facts record, its 2015 wrapper photograph and the 2008 Barcodepedia entry."},"about":"Mars 2 Pack King Size is the twin-bar king-size edition of the Mars bar, the caramel and nougat bar in milk chocolate that Mars, Incorporated has made since Forrest Mars Sr. first produced it in Slough in 1932.[^wp-mars] The only photograph of this barcode shows the black Mars livery with \"2PACK\" beside the logo and a corner flash reading \"2PACK KING SIZE\".[^off-photo] Open Food Facts holds the code as \"Mars 2 Pack\" with a Dutch-language front and neither an ingredient list nor a panel,[^off] and the 2006-2013 Barcodepedia recorded it in November 2008 as \"Mars\", described only as a \"2er Pack\".[^bp2008]\n\nWikipedia's account of the bar's sizes has the 84 g king-size bar of 2008 replaced by an 85 g pack of two bars, sold as Mars Duo,[^wp-mars] which is the format this wrapper advertises; no source found gives this article its own weight, market or label, so those cells stay empty. The barcode sits under GS1 UK prefix 5000159, whose registrant no public source names; Mars Wrigley Confectionery UK Limited of Slough, the group's British confectionery company, is recorded as the derived prefix owner.[^ch-mwcuk] The composition shown is the one published for the current two-bar Mars pack and is declared secondary, not this pack's label.[^off-sibling]","images":[{"url":"https://world.openfoodfacts.org/product/5000159372251","kind":"front","note":null,"asset":"front-98066c4e.jpg","source":"open-food-facts","licence":"cc-by-sa-3.0","accessed":"2026-09-14","upscaled":true,"attribution":"Open Food Facts contributors","observation":null,"download_url":null,"match_method":"barcode","retrieved_at":"2026-09-14T11:28:36.742Z","stored_width":800,"stored_height":214,"original_width":296,"matched_barcode":"5000159372251","original_height":79,"match_confidence":1,"source_image_url":"https://images.openfoodfacts.org/images/products/500/015/937/2251/1.jpg","provider_image_id":"1","provider_entity_id":"5000159372251"}],"aliases":[{"from":null,"name":"Mars 2 Pack","type":"name","until":null,"locale":"en"},{"from":null,"name":"Mars King Size","type":"search","until":null,"locale":"en"}],"identity":{"gtin":"05000159372251","name":"Mars 2 Pack King Size","brand":"brand/mars","family":"family/mars-bar","summary":"Twin-bar king-size edition of the Mars caramel and nougat bar, recorded on Open Food Facts as \"Mars 2 Pack\" and on the 2006-2013 Barcodepedia as a \"2er Pack\".","category":"category/10000045","last_seen":"2015-02-06","last_seen_note":"Date of the only photograph of this pack on Open Food Facts; no current retail listing for this GTIN was found.","default_observation":"off-front-2015"},"research":{"note":"Built from the wanted list. Identity rests on the Open Food Facts record and its front photograph; size, market, ingredients and nutrition of this pack remain open.","reviewed_on":"2026-09-14","structure_version":2},"relations":[{"from":null,"note":"Wikipedia names Mars Inc. as the producer of the Mars bar.","role":"brand_owner_at_sale","ended":null,"until":null,"market":null,"source":"^wp-mars","status":"sourced","target":"company/mars-incorporated"},{"from":null,"note":"Prefix 5000159 is a GS1 UK prefix and no source names its registrant; targeted as the prefix-country confectionery company of the brand owner. The prefix predates its 2008 incorporation.","role":"gs1_prefix_owner","ended":null,"until":null,"market":null,"source":"^ch-mwcuk","status":"derived","target":"company/mars-wrigley-confectionery-uk"}],"references":[{"ref":"off","url":"https://world.openfoodfacts.org/product/5000159372251","kind":"catalogue","title":"Open Food Facts: Mars 2 Pack (5000159372251)","licence":"ODbL","locator":null,"accessed":"2026-09-14","upstream":null,"published":null,"publisher":"Open Food Facts","record_id":"5000159372251","attribution":"Open Food Facts contributors"},{"ref":"off-photo","url":"https://images.openfoodfacts.org/images/products/500/015/937/2251/1.jpg","kind":"catalogue","title":"Front photograph of the wrapper, uploaded to Open Food Facts","licence":"CC BY-SA 3.0","locator":"front, imgid 1","accessed":"2026-09-14","upstream":null,"published":"2015-02-06","publisher":"Open Food Facts","record_id":"5000159372251","attribution":"Open Food Facts contributors"},{"ref":"off-sibling","url":"https://world.openfoodfacts.org/product/5000159408301","kind":"catalogue","title":"Open Food Facts: Mars (2x), 2 x 35 g = 70 g (5000159408301)","licence":"ODbL","locator":null,"accessed":"2026-09-14","upstream":null,"published":null,"publisher":"Open Food Facts","record_id":"5000159408301","attribution":"Open Food Facts contributors"},{"ref":"wp-mars","url":"https://en.wikipedia.org/wiki/Mars_bar","kind":"publication","title":"Mars bar","licence":"CC BY-SA","locator":"History, Sizes","accessed":"2026-09-14","upstream":null,"published":null,"publisher":"Wikipedia","record_id":null,"attribution":"Wikipedia contributors"},{"ref":"bp2008","url":"https://web.archive.org/web/20081120000807/http://de.barcodepedia.com/5000159372251/mars-","kind":"other","title":"Barcodepedia (2008): 5000159372251 - Mars","licence":null,"locator":null,"accessed":"2026-09-14","upstream":null,"published":"2008-11-20","publisher":"Barcodepedia, Internet Archive","record_id":null,"attribution":null},{"ref":"ch-mwcuk","url":"https://find-and-update.company-information.service.gov.uk/company/06649982","kind":"registry","title":"MARS WRIGLEY CONFECTIONERY UK LIMITED overview","licence":null,"locator":null,"accessed":"2026-09-14","upstream":null,"published":null,"publisher":"Companies House","record_id":"06649982","attribution":null}],"observations":[{"id":"off-front-2015","kind":"label","note":"Front only, 296 x 79 px: the black Mars livery with \"2PACK\" beside the logo and a corner flash reading \"2PACK KING SIZE\". No ingredient list, panel or net content is visible on it.","label":"Front of the wrapper, photographed for Open Food Facts","market":null,"source":"^off-photo","status":"supported","language":"nl","observed":"2015-02-06","valid_from":null,"net_content":null,"pack_format":"wrapper","piece_count":null,"valid_until":null,"model_number":null,"pack_quantity":2,"ingredients_text":null,"ingredients_declaration":null,"ingredients_exempt_basis":null},{"id":"twin-pack-ref","kind":"label","note":"Not this article: the label of the current 2 x 35 g Mars twin pack sold in DE, FR, CH and ES, kept here as reference composition for the same bar. Its market and date do not apply to this pack.","label":"Published composition of the Mars two-bar pack 5000159408301","market":null,"source":"^off-sibling","status":"unconfirmed","language":"de","observed":"2026-09-14","valid_from":null,"net_content":null,"pack_format":null,"piece_count":null,"valid_until":null,"model_number":null,"pack_quantity":null,"ingredients_text":null,"ingredients_declaration":null,"ingredients_exempt_basis":null}],"research_gaps":[{"state":"unknown","detail":"Net content is not established: no listing ties this GTIN to a weight. Wikipedia records an 84 g king-size Mars bar replaced by an 85 g two-bar pack, which is not evidence for this article.","domain":"identity","source":"^wp-mars","observation":null},{"state":"unknown","detail":"No ingredient list for this pack has been read; the Open Food Facts record carries no ingredients text and only a 296 x 79 px front crop.","domain":"ingredients","source":"^off","observation":"off-front-2015"},{"state":"unknown","detail":"The pack's own nutrition panel has not been read; the values here are the composition published for the sibling twin pack and are declared secondary.","domain":"nutrition","source":"^off-sibling","observation":"off-front-2015"},{"state":"unknown","detail":"No retailer listing was found for this GTIN. Open Food Facts tags the record Belgium and its front photo is the Dutch-language front, neither of which is market evidence, so country_of_sale is left empty.","domain":"markets","source":"^off","observation":null},{"state":"unknown","detail":"Nothing found names the manufacturer, packer or the registrant of GS1 prefix 5000159; the 2008 Barcodepedia page's \"produced in United Kingdom by Masterfoods\" line was generated from the prefix.","domain":"relationships","source":"^bp2008","observation":null}],"nutrition_panels":[{"id":"ref-100","note":"Reference composition of the Mars bar taken from the twin pack 5000159408301; this pack's own panel has not been read.","basis":{"unit":"g","value":100},"label":"Per 100 g, reference composition","source":"^off-sibling","basis_note":null,"basis_state":"as_sold","declaration":"secondary","observation":"twin-pack-ref","exempt_basis":null}],"nutrition_values":[{"note":"Carried over from the twin pack 5000159408301; not read from this pack's label.","panel":"ref-100","state":"known","value":1887,"method":"inferred","source":"^off-sibling","nutrient":"energy_kj","qualifier":null,"printed_value":null},{"note":"Carried over from the twin pack 5000159408301; not read from this pack's label.","panel":"ref-100","state":"known","value":449,"method":"inferred","source":"^off-sibling","nutrient":"energy_kcal","qualifier":null,"printed_value":null},{"note":"Carried over from the twin pack 5000159408301; not read from this pack's label.","panel":"ref-100","state":"known","value":17,"method":"inferred","source":"^off-sibling","nutrient":"fat_g","qualifier":null,"printed_value":null},{"note":"Carried over from the twin pack 5000159408301; not read from this pack's label.","panel":"ref-100","state":"known","value":8.3,"method":"inferred","source":"^off-sibling","nutrient":"saturated_fat_g","qualifier":null,"printed_value":null},{"note":"Carried over from the twin pack 5000159408301; not read from this pack's label.","panel":"ref-100","state":"known","value":70,"method":"inferred","source":"^off-sibling","nutrient":"carbohydrate_g","qualifier":null,"printed_value":null},{"note":"Carried over from the twin pack 5000159408301; not read from this pack's label.","panel":"ref-100","state":"known","value":62,"method":"inferred","source":"^off-sibling","nutrient":"sugars_g","qualifier":null,"printed_value":null},{"note":"Carried over from the twin pack 5000159408301; not read from this pack's label.","panel":"ref-100","state":"known","value":4,"method":"inferred","source":"^off-sibling","nutrient":"protein_g","qualifier":null,"printed_value":null},{"note":"Carried over from the twin pack 5000159408301; not read from this pack's label.","panel":"ref-100","state":"known","value":0.41,"method":"inferred","source":"^off-sibling","nutrient":"salt_g","qualifier":null,"printed_value":null}]},"licences":{"database":"ODbL-1.0","text":"CC-BY-SA-4.0","images":"See each image record"}}