- ENHANCE YOUR WINE EXPERIENCE: This set of stemless wine glasses is designed to achieve the perfect serving temperature for all types of wine. The insulated design keeps your wine at its ideal temperature longer than standard wine glasses. - ADVANCED INSULATION: Each tumbler features insulated walls filled with proprietary cooling gel. Simply freeze the tumbler for white wines or chill it in the fridge to maintain red wines at optimal cellar temperatures. - DURABLE AND SAFE MATERIAL: Made from BPA-free plastic, these glasses are sturdy and ideal for outdoor use. The insulated silicone band provides a comfortable grip, making them a reliable addition to your wine accessories. Hand wash only for longevity. - OPTIMAL TEMPERATURE GUIDELINES: Serve white wines chilled between 43 to 53 degrees Fahrenheit and red wines at slightly cooler than room temperature, around 58 to 60 degrees Fahrenheit, ensuring every sip is enjoyable. - VERSATILE USES: Perfect for picnics, barbecues, or casual gatherings, these wine tumblers are great for any occasion. Enjoy your favorite wines by the pool, at a concert, or during a relaxed evening at home, knowing your wine is at the ideal temperature. - COMPACT AND CONVENIENT: The stemless design offers a modern touch while being easy to store, making these glasses a practical choice for any wine lover.