Engineered with food safe materials and impacts resistant glass, this portable tea cup withstands thermal shocks while maintaining clarities through repeated daily use Innovative tea water separation design prevents over steeping, preserving optimal flavor while premium borosilicate glass ensures durability and thermal resistance for hot / cold beverages Ideal for tea enthusiasts seeking refined brewing control, busy professional requiring portable solution, and gift shoppers valuing stylish kitchenware Sleek double layered borosilicate glass construction combines modern aesthetics with practicality, serving as both a tea infuser and elegant home decor piece Perfectly adapts to desks for refreshment, outdoor adventures for on the go hydrations, or warm kitchen counters for leisurely tea activity