{"dataset":"MainBuyer UK price observations","market":"GB","market_name":"United Kingdom","methodology":"Each observation is stored only when MainBuyer has a timestamped checked retailer offer. Missing days are not interpolated or invented. Historical low, high and median figures use recorded in-stock observations only.","observations":[{"currency":"GBP","in_stock":true,"observed_at":"2026-09-17T12:26:56+00:00","price":"33.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0H4Z61WSN?maas=maas_adg_api_578271754058922202_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB4c8ea1d4126063e258fc3f0922cb6bf3&aa_adgroupid=e38d74bbd8614a9a950234c0d28579a9_PBSEP_!!!affid!!!_118045_&aa_creativeid=f314_aMxXQb0X9o1oc_aYit5aFrnlxdCIB90D4UEwNOPd_bn4k_c"}],"product":{"brand":"NCVI-UK","evidence_url":"https://mail.mainbuyer.com/evidence/products/ncvi-portable-breast-milk-cooler-bottle-24h-double-layer-cooling-b0h4z61wsn/prices","gtin":null,"id":6669,"model_number":null,"name":"NCVI Portable Breast Milk Cooler Bottle \u00e2?? 24H Double-Layer Cooling","product_url":"https://mail.mainbuyer.com/product/ncvi-portable-breast-milk-cooler-bottle-24h-double-layer-cooling-b0h4z61wsn","urn":"MB-AWIN-GB-B0H4Z61WSN"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"33.99","historical_low":"33.99","last_observed_at":"2026-09-17T12:26:56+00:00","low_30d":"33.99","low_90d":"33.99","median_price":"33.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:26:56+00:00"}}