Introducing Stack, where sustainable space meets innovative design in perfect harmony. This collection redefines efficiency with its space-saving concept, making it the epitome of practicality. The tumblers, thoughtfully crafted with a special anti-stuck design, are not only a marvel of convenience but also pioneers in sustainability.Stack's tumblers feature an ingenious antiscale drainage system at the bottom, ensuring optimal washing in the dishwasher. This attention to detail not only enhances the user experience but also aligns with our commitment to eco-friendly practices. But that's not all-these tumblers go above and beyond by maintaining cocktail temperatures up to three times better than regular glass, ensuring that every sip is as refreshing as the first.Elevate your sustainable living with Stack, where functionality meets environmental consciousness. From its space-efficient design to its cutting-edge features, Stack is not just a collection; it's a statement of mindful living. Experience the future of glassware with Stack