Tealyra - SIRIUS 16-ounce - Set of 1 - Large Double Wall Glass Mug With Handle - Heatproof Insulating - Keeps Beverages Hot - Perfect Clear Cup for Tea - Coffee - Cappuccino - 500ml HAND MADE - LARGE DOUBLE WALLED GLASS - Perfect for coffee, tea, iced coffees and cold drinks, Each mug holds 500ml / 16-ounce. The double layer glass insulates your drink keeping it hot or cold for longer. MESMERIZING ELEGANCE - Tantalise the senses each morning with these elegant cups. Make your drink look like it's floating in midair - an enchanting optical illusion. NOTE - does not work for humans. Please don't try to stand inside your glass! TOP QUALITY DESIGNER GLASSWARE - Ultra clear glass coffee cups made of lead-free high quality borosilicate-glass, fridge safe. PERFECT FOR HOT OR COLD DRINKS: The contemporary cups keeps the temperature of liquid hot or cold for a longer period of time while the outer glass wall remains comfortable to the touch. GREAT GIFT. Are you looking for an original and useful gift for a friend, colleague or relative? How about giving a friend or a loved one an opportunity to enjoy tasty and flavorous freshly brewed tea (at home or in the office) every day? Best tea mug from Tealyra is always a good idea for any holiday and for any occasion.