Shatterproof and won't break like glass Dishwasher safe Made with food grade stainless steel Feature a brushed finished and a smooth cup "lip" making them safer on floors if dropped & it will never hurt your lips or tongue Durable and will not break like glass Does not retain or impart flavors Electro polished interior, laser-etched exterior Nestable and transportable BPA Free & Eco-friendly: These cups are made to last a lifetime. Can be used indoor or outdoor. Dry thoroughly after every use. This makes a safe, green, flavor free and healthier alternative to plastic bottles and cups. High Quality Material: Food grade stainless steel with internal and external polished, with no BPA and inodorous, rustless and durable, prevent scratch and drop-proof, It can be used over and over again, it is a good substitute for glass and paper cups. Stackable Stainless Steel Pint Glasses: They can be stacked up together and save your space, convenient for you to storage and carry around; the capacity of each cup is 350ml/12-ounce, enough for you use. Easy to Clean: The water cup is very sturdy, dishwasher safe. The inside and outside of the cup body have been specially treated, which is not easy to leave water stains, very easy to clean. The product has a long service life and can be used repeatedly after cleaning. Wide Application: Can be used as coffee cup, tea cup, espresso cup, wine cup, beer cup, beverage cup and more; suitable for both indoor and outdoor activities, such as birthday parties, home gathering, traveling, camping and so on.