{"version":"1.0","provider_name":"Coffee Mug","provider_url":"https:\/\/www.coffeemug.au\/mugs","title":"Copper Mugs: Authenticity, Safety, Linings, and Cold Retention - Coffee Mug","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"C6YHZibNW2\"><a href=\"https:\/\/www.coffeemug.au\/mugs\/material-based-mugs\/copper\/\">Copper Mugs: Authenticity, Safety, Linings, and Cold Retention<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.coffeemug.au\/mugs\/material-based-mugs\/copper\/embed\/#?secret=C6YHZibNW2\" width=\"600\" height=\"338\" title=\"&#8220;Copper Mugs: Authenticity, Safety, Linings, and Cold Retention&#8221; &#8212; Coffee Mug\" data-secret=\"C6YHZibNW2\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.coffeemug.au\/mugs\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/www.coffeemug.au\/mugs\/wp-content\/uploads\/2026\/04\/copper-mug.webp","thumbnail_width":1024,"thumbnail_height":559,"description":"A copper mug is a drinking vessel made from copper, usually built so the liquid does not sit directly against bare copper for normal beverage use. Copper\u2019s practicality as drinkware is tied to its safety profile, because copper can transfer into liquids during contact, especially when the drink is acidic. In controlled testing of a..."}