Fine, reinforced, and laser-cut rims. Innovative, elegant, and functional design. Thick base to guarantee better stability and easy to hold. Break resistant. Before your first use: Remove all labels from your glassware. Wash the glasses in warm water using a gentle, non-abrasive dishwashing detergent, or place them directly in your dishwasher. Rinse and dry immediately with a lint-free towel or cloth. To hand wash, use a gentle, non-abrasive dishwashing detergent and warm water. Rinse thoroughly to ensure no detergent residue is left as this can interfere with the aroma and taste of wines, beers, and other beverages. Dry immediately with a lint-free towel or cloth. Please note that glassware is dishwasher safe. If you choose to clean your stemware in a dishwasher, arrange it securely in the top rack with the bowl facing down. Do not place them in the bottom rack or lay glasses on their sides. Once the cleaning cycle is complete, immediately remove the glasses from the dishwasher and hand dry them with a lint-free towel or cloth. Warning: Do not subject stemware to extreme temperature changes as this may cause them to crack or break.