sfumature pastello | stemm | silicone unbreakable wine glasses

Stemm unbreakable wine glasses by Porter Green are made from FDA-approved food-grade silicone and are suitable for various uses including indoor and outdoor events, family activities, and travel.

• The description claims these glasses are unbreakable.
• The glasses are FDA approved for food use.
• The glasses are freezer, oven, and microwave safe.