glass has a smooth surface that can be cleaned in a jiffy. A normal wash or even a wipe with a cloth usually suffices. If you prefer automation, these glasses can be easily used in dishwashers for cleaning without worrying about them breaking. Also, the glass is non porous, ensuring that it remains stain-free and odor-free, making it a delight to serve beverages to guests in. With a minimalist but attractive design and useful features, this 6 piece,glass set comes across as a nice buy. Colour: Transparent Material: Glass Capacity: 350ml Includes: Six Vision glasses Dishwasher safe and easy to clean Can be used in the oven, microwave, freezer and fridge