Unbreakable Wine Glasses - 100% Tritan - Shatterproof, Reusable, Dishwasher Safe (Set of 8 Stemless) by D'Eco 8 Unbreakable stemless wine glasses per set Wine glass are durable, yet elegant Each glass is made from Tritan, a plastic type material that looks like glass, but won't shatter or break like glass. Each glass holds up to 18 oz of wine