You want your wine to taste exquisitely, and this glassware delivers. The modern design allows for ultimate aromatics and flavor unlocking for that perfect flavor. When it comes to wine glasses, Spiegelau is known for its craftsmanship and use of beautiful pure crystal in their Riedel wine glasses. Made with pure crystal, you dont have to worry about lead leaching into your favorite red wine. The red wine glasses are dishwasher safe for easy clean up.