Elegant Drink Serving: This Polycarbonate Tapered Rocks Glass is a top-notch choice for your bar or restaurant to serve drinks on the rocks. Polycarbonate Built: The combination of strength, impact resistance, and transparency of polycarbonate make it an excellent material for this transparent, structural Tapered Rocks Glass. Shatterproof: Its sturdy base and polycarbonate construction ensures that this glass is shatterproof and long-lasting. Features: Durable polycarbonate construction Heavy, sturdy base Stackable design Ideal for outdoor dining and poolside events Adds elegance to any drink-serving occasion.