JoyJolt Cosmos Crystal 8.5 oz Martini Glasses, Set of 2 Heavy Base Stemless Cocktail Glasses (Clear – 2 Piece). The Cosmos glassware collection includes unique pieces that will impress your family and friends. Our crystal glasses bring out the best in your cocktails, liquor, or fine bottles of wine. This beautiful set of 2, 8.5 oz martini glasses is elegant and minimalist, so you can use it for any type of table setting. The big martini glasses are stemless and have a unique round base that ensures more stability. This cocktail set is dishwasher safe, saving you time and energy. The Cosmos cool cocktail glasses are made with crystal, a durable and fine material that adds elegance to these home accessories. The heavy base is sturdy and ensures protection against shocks, making these margarita glasses long-lasting and reliable.