{"product_id":"thermos-lunch-box-1000ml","title":"Thermos Lunch Box (1000ml)","description":"\u003ch3\u003e\u003cstrong\u003ePour in boiling water and rice, come back to porridge — no stove, no power\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eDouble-wall vacuum insulation keeps food hot for 6–12 hours, and the retained heat is strong enough to actually cook rice into porridge with nothing but boiling water and time. Backed by a 30-day return window.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDouble-wall vacuum insulation holds food hot or cold for 6–12 hours\u003c\/li\u003e\n\u003cli\u003eFood-grade, BPA-free stainless steel interior and exterior — dent-resistant and built to last\u003c\/li\u003e\n\u003cli\u003eWide mouth opening makes filling and cleaning straightforward\u003c\/li\u003e\n\u003cli\u003eDoubles as a passive cooker: pour in boiling water with rice, seal, and it slow-cooks into porridge over a few hours with no stove or power\u003c\/li\u003e\n\u003cli\u003e1000ml capacity — enough for a real meal, not just a snack portion\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFood-grade stainless steel, BPA-free\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e1000ml\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation time\u003c\/td\u003e\n\u003ctd\u003e6–12 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom diameter\u003c\/td\u003e\n\u003ctd\u003e11.5cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e19.2cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColours\u003c\/td\u003e\n\u003ctd\u003eSilver, Rose Red, Gold, Blue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003e➤ How long does it actually stay hot?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003e6–12 hours, depending on what's inside and the starting temperature.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003e➤ Can it really cook food without a stove?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes — for something like porridge, preheat the flask with boiling water, drain it, add rinsed rice, pour in fresh boiling water, seal, and leave for around 4 hours. The retained heat finishes the cooking.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003e➤ Is it food safe?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes, food-grade stainless steel construction, BPA-free.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003e➤ How do I clean it?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThe wide-mouth opening makes it easy to reach inside for cleaning.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003e➤ What sizes and colours are available?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003e1000ml capacity, available in Silver, Rose Red, Gold and Blue.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003e➤ What if it's not the right fit for me?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eBacked by a 30-day return window, no questions asked.\u003c\/p\u003e\u003c\/details\u003e","brand":"Rational Steel","offers":[{"title":"Silver","offer_id":53548127584522,"sku":null,"price":49.99,"currency_code":"GBP","in_stock":true},{"title":"Rose Red","offer_id":53548127617290,"sku":null,"price":49.99,"currency_code":"GBP","in_stock":true},{"title":"Gold","offer_id":53548127682826,"sku":null,"price":49.99,"currency_code":"GBP","in_stock":true},{"title":"Blue","offer_id":53548127781130,"sku":null,"price":49.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/7522\/9194\/files\/thermohero.png?v=1787651684","url":"https:\/\/rationalsteel.com\/products\/thermos-lunch-box-1000ml","provider":"Rational Steel","version":"1.0","type":"link"}