Capacity: 2 Pints / 1136ml. Unbreakable Polycarbonate Plastic 2 Pint Beer Glass – Durable, Stackable & Bar-Ready. ✅Virtually Unbreakable Polycarbonate. Crafted from high-qualitypolycarbonate plastic, these glasses are unbreakable, making them a safe and durable alternative to traditional glassware.