{"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":"2026-10-17T03:09:47+00:00","price":"45.12","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0H4ZCT14N?maas=maas_adg_api_578271754058922202_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB4c8ea1d4126063e258fc3f0922cb6bf3&aa_adgroupid=f05797f4bcec6a4b0c1fde747940b47b_PBSEP_!!!affid!!!_118045_&aa_creativeid=464ercYyRE8NU8CJ09D_aaVe0TdDJtQkkpwCHVUI7ZRIz8Vo_c"}],"product":{"brand":"NCVI-UK","evidence_url":"https://mainbuyer.com/evidence/products/breast-milk-cooler-portable-keeps-food-fresh-for-up-to-24-hours-b0h4zct14n/prices","gtin":null,"id":18604,"model_number":null,"name":"Breast Milk Cooler Portable - Keeps Food Fresh for up to 24 Hours","product_url":"https://mainbuyer.com/product/breast-milk-cooler-portable-keeps-food-fresh-for-up-to-24-hours-b0h4zct14n","urn":"MB-AWIN-GB-B0H4ZCT14N"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"45.12","historical_low":"45.12","last_observed_at":"2026-10-17T03:09:47+00:00","low_30d":"45.12","low_90d":"45.12","median_price":"45.12","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-10-17T03:09:47+00:00"}}