Ambassador Indoor/Outdoor Rocks Whiskey & Old Fashioned Glasses | Seamless, Unbreakable Tritan with Recessed, Ergonomic Shams | 8.5 ounce, Set of 4 WHAT IS TRITAN? - Developed by Eastman Chemical, Tritan TX1001 is a remarkable plastic that has the weight, clarity and brilliance of fine crystal but is shatterproof. It outperforms all other plastics and acrylics in food-based applications and emulates the best features of glass. INDESTRUCTIBLE DESIGN  Tired of flimsy, inexpensive plasticware? Our Ambassador glasses, at a hefty 4.5 ounces each, are noticeably heavier and thicker than ordinary plastic glasses. Go ahead and bounce them off your tile floor or your stone patio deck. These restaurant-quality glasses will take all you give them and easily outlast your conventional glassware. DUAL-PURPOSE VERSATILITY  These versatile glasses will add style and sophistication to your bartop, and they also make superb, all-season juice glasses. Kids love them, and they are great for pool, beach, patio, and camper. When you travel, take them along. SAFETY & COMFORT  Our glasses are odorless and BPA-free, and rigorous third-party testing has proven them to be 100% food-safe. Smoothed rims prevent lip irritation, and recessed, ergonomic shams create great hand feel and a comfortable grip. A NAME YOU CAN TRUST  Every set of TOP SHELF glasses is backed by a 30-day MONEY-BACK GUARANTEE, so add a set to your cart right now and make a unique, risk-free addition to your home barware collection. If you are not completely satisfied, simply return the glasses for a full refund.