HIGH STRENGTH - Made from high strength borosilicate glass that is shatter resistant and has an instantaneous temperature tolerance of -20~150℃ meaning it will not crack keeping your cold or hot drink safe. ECO-FRIENDLY - BPA Free, Phthalate free, lead free and cadmium free not to mention a great alternative to plastic water bottles. Borosilicate glass water bottle ensures you get a healthy way to enjoy pure water. STYLISH AND FUNCTIONAL LID - The stainless steel lid is not only stylish and functional but also environmental friendly. Please make sure to install the silicone gasket in the bottle cap, otherwise the bottle will leak. Never worry about leaks. And our lid contains a tea leak, you can easily make a tea with our cups. COMFORTABLE AND PROTECTIVE SLEEVE - The included sleeve allows for a comfortable slip resistant grip and provides a colorful extra layer of protection. It’s ideal for traveling, office, picnics, fitness, Yoga, and gym. GUARANTEE - This bottle was made of glass, so it is easy to break in transportation. If you received a broken bottle, please do not hesitate to contact us, we will make a full refund or send a replacement for you. Please contact us first before you give us a negative judgement!!!