LEAD-FREE MATERIAL: HORLIMER clear glass coffee mugs are made of premium quality lead-free borosilicate glass, making your every use safe and secure. This durable material can withstand temperature ranging from -4℉ to 302℉, whether you like coffee, black tea latte, espresso, demitasse, tea, milk, smoothie, juice or cold drinks, it would be a great choice. VERSATILE GLASS CUPS: Glass tea cup with comfortable handle is easy for you to hold, the borosilicate coffee cup is lightweight that can…