{"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":"2026-09-17T12:29:06+00:00","price":"18.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0FQBPNNTH?maas=maas_adg_api_588052515283475030_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBf3f02c3e232dee00843a38531c9c53d5&aa_adgroupid=4e804f36e5cdeff030b80247fc247e2d_PBSEP_!!!affid!!!_118045_&aa_creativeid=7362c9aQPMssWGSQC9utSkXmRckBxhQBRFhuwZqUukBau8U_c"}],"product":{"brand":"pluseight UK","evidence_url":"https://www.mainbuyer.com/evidence/products/stainless-steel-tumbler-with-straw-1000ml-32oz-travel-mug-with-handle-leakproof-reusable-travel-mug-keeps-cold-for-24h-or-hot-12h-fit-in-car-cup-ho-b0fqbpnnth/prices","gtin":null,"id":10578,"model_number":null,"name":"Stainless Steel Tumbler with Straw, 1000ml/32oz Travel Mug with Handle,Leakproof Reusable Travel Mug, Keeps Cold for 24H or Hot 12H, Fit in Car Cup Ho","product_url":"https://www.mainbuyer.com/product/stainless-steel-tumbler-with-straw-1000ml-32oz-travel-mug-with-handle-leakproof-reusable-travel-mug-keeps-cold-for-24h-or-hot-12h-fit-in-car-cup-ho-b0fqbpnnth","urn":"MB-AWIN-GB-B0FQBPNNTH"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"18.99","historical_low":"18.99","last_observed_at":"2026-09-17T12:29:06+00:00","low_30d":"18.99","low_90d":"18.99","median_price":"18.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:29:06+00:00"}}