Elegant design is both practical and beautiful * Perfect for infusing your beverages with natural flavours * Great way to enjoy a sweet drink without added sugar * BPA and Pthalate free plastic infusers. Borosilicate glass (like pyrex) pitcher. * Pitcher is made from heatproof Borosilicate Glass. ordinary glass is thick but cracks with hot water. this pitcher can take boiling water as its borosilicate glass.