{"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":"2026-11-01T04:08:55+00:00","price":"19.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0D72RQ6H3?maas=maas_adg_api_588563440394542563_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBe2fcc25dc0f6758aeaa49f034c422261_e35ce28bff24&aa_adgroupid=2bfe8fa2d561e1fa9ed41cfaecc3c9ba_PBSEP_!!!affid!!!_118045_&aa_creativeid=afb1SiLD2mRE4k96ZfbBupls5Md_bL3h6L_aqKB0dpYJNOmPw_c"}],"product":{"brand":"UK-eufy Security","evidence_url":"https://mainbuyer.com/evidence/products/eufy-original-milk-container-2-pack-for-wearable-breast-pump-s1-s1-pro-bpa-free-reusable-breast-pump-container-collects-up-to-5-oz-150-ml-each-b0d72rq6h3/prices","gtin":null,"id":20947,"model_number":null,"name":"eufy Original Milk Container (2-Pack) for Wearable Breast Pump S1/S1 Pro, BPA-Free Reusable Breast Pump Container Collects Up to 5 oz (150 ml) Each","product_url":"https://mainbuyer.com/product/eufy-original-milk-container-2-pack-for-wearable-breast-pump-s1-s1-pro-bpa-free-reusable-breast-pump-container-collects-up-to-5-oz-150-ml-each-b0d72rq6h3","urn":"MB-AWIN-GB-B0D72RQ6H3"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"19.99","historical_low":"19.99","last_observed_at":"2026-11-01T04:08:55+00:00","low_30d":"19.99","low_90d":"19.99","median_price":"19.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-11-01T04:08:55+00:00"}}