Durable Borosilicate Glass: Crafted from -4 degrees Fahrenheit to 248 degrees Fahrenheit resistant borosilicate glass, this double insulation cup is crack and corrosion-resistant, ideal for both hot and cold beverages. Double Insulation Technology: Enjoy your drinks at the perfect temperature with the double-layer design that keeps beverages hot or cold while ensuring your hands stay comfortable. Flip Brew Innovation: Experience convenience with the 3-in-1 bottle that simplifies loose leaf tea brewing without any additional tools or mess, making tea time effortless. Adjustable Tea Brewing Control: Tailor your tea experience with the independent tea room feature, allowing you to customize brewing time and intensity to suit your preferences perfectly. Leakproof & Portable Design: Take your favorite beverages on-the-go without worries thanks to the fully sealed lid that prevents leaks, making it an ideal companion for work, outdoor activities, gym sessions, or car cup holders. Item Name: Double Glass Cup Material: Borosilicate Glass Structure: Double Layer Style: Modern And Simple Shape: Circular Applicable Population: Adults Cup Accessories: with Filter Capacity: 350ml/500ml Features: High Temperature Resistant, Anti-scalding, Portable Size Details: 350ml, Diameter: 6.6cm/2.6", Height: 19cm/7.48" (Approx.) 500ml, Diameter: 6.6cm/2.6", Height: 24cm/9.45" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Double Glass Cup