With food-grade material, this cup is BPA-free and will not change the taste of food, which is very safe and healthy. Besides, it is very wear-resistant and drop-resistant, which can be used for a long time. Due to the drawing and polishing technology of this cup, this edge is rounded and burr-free, which will not scratch the hands and mouth. And, it has a thickened design that has good anti-scald performance. It is constructed of stainless steel material. There are 2 sizes for your reference. It is widely used, suitable for home, dorm, travel, and outdoors. Item Name: Water Cup Material: Stainless Steel Features: Anti-rust, Anti-scalding, Drop-resistant Capacity: 150ml, 280ml Size Details: 150ml: Bottom: 6cm/2.36", Caliber: 6.5cm/2.56", Height: 6.5cm/2.56" (Approx.) 280ml: Bottom: 6cm/2.36", Caliber: 7cm/2.76", Height: 10cm/3.94" (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 Water Cup