Double Walled Cyprus Mug Product Description The Grosche Cyprus is a true, premium-quality hand made double walled glass coffee or tea mug. Its closer to a mug than a cup because of its generous size at 500 ml. its between the size of a Grande and a Venti Coffee, at about a half litre of bliss. The Cyprus mug features a 100% hand made and mouth blown borosilicate glass design. Borosilicate glass is superior to soda-lime because it is highly heat-resistant; you can pour boiling water into the beaker and onto your grinds without worry about thermal shock. Of course, anything that touches your drink is both BPA and lead-free. Its quality is in the details, in its hand made unique craftsmanship, its purposely designed curves, its easy to hold handle, and perfectly balanced weight. Its what makes this one of our best selling double walled glasses! Features 100% borosilicate glass beaker: safe for hot liquids and flavour-neutral Naturally BPA and lead-free Comfort-Grip handle is sturdy and easy to hold Dishwasher safe and packed in a retail gift box Care The cups are dishwasher safe, but take care as other items knocking into it in a dishwasher could cause breakage. Always load carefully, and handle with care To prolong life of glass, we recommend hand washing Double walled glasses are not recommended for microwave use Warranty Your satisfaction is 100% guaranteed Backed by personal GROSCHE customer service. Please contact GROSCHE directly if we can help you in any way, we will do our best to make sure you are 100% satisfied with your purchase. Please contact GROSCHE for all warranty needs. Please ensure you have your original product receipt with purchase date and price paid for all warranty needs. Note that in extreme cases it is possible to crack borosilicate glass from thermal shock. For example, pouring boiling liquid from the vessel and submerging it in cold water may cause damage. Safe Water Project