About This No Burn Your Fingers - The double wall insulated glass design creates a thermal effect,keeping your drink hot or cold for ideal temperature while the outer glass remains safe to touch. Perfect Size for Any Beverages - Glass coffee cups for hot beverages that keep your latte,cappuccino or espresso,tea hot while your hand stays cool. Unique Double Wall Design - Insulated espresso shot glasses has a sleek 2 layer design that creates a dramatic optical illusion and prevents condensation and side heat transfer. Durable Lightweight Elegance - 100% lead free-high quality borosilicate glass makes double walled glasses thinner,lighter,capable of withstanding thermal shock,scratch and break resistant.HAND WASH RECOMMENDED, DISHWASHER NOT SUGGEST Ideal Gift -The elegant and stylish clear glass cups with gift box packaging impress your guests. Overview Brand : SCJHMY Material : Borosilicate Glass Color : 12oz-4Pack Capacity : 12 Fluid Ounces Special Feature : Double Wall