PREMIUM CRYSTAL COCKTAIL CURVE GLASS (6 PCS SET)Perfect size: Capacity: 340ML ,caliber: 6. 8 cm ,height: 10. 4 cm, bottom diameter: 8. 5cm. great. Quality materials: This mug is crafted from a durable glass material, BPA free, safe. glass mugs tend to keep the drink cold longer as well. This product is not suitable for dishwashers or microwave ovens. High quality : Whether it's Whiskey, a Martini, Manhattan or an Old Fashioned, you'll be creating, like a professional bartender. Mixing professional