Using these Juliska Blush Puro cocktail coupe glasses is a breeze. Just pour your favorite bubbly drink, cocktail, or dessert into them and enjoy. For the best experience, fill them up to about 7.5 Oz. When it comes to cleaning, you're in luck because they're dishwasher safe. Just place them in the dishwasher and let it do the work. However, be careful when handling them as they are made of glass. Avoid dropping them or hitting them against hard surfaces to prevent breakage. If you prefer hand - washing, use a gentle dish soap and a soft sponge. Store them in a safe place, away from other hard objects that might scratch or damage them. That's all you need to know to keep your glasses in top shape and have many great moments with them.