Reusable Stainless Steel Iced Coffee Sleeve Insulator, Universal Fit for 16-32 oz Cups, Double Wall Vacuum Design for Starbucks Dunkin Donuts Travel Tumbler, Black

Universal Compatibility: Designed to fit all standard coffee cups (16-32 oz), including brands like Starbucks, Dunkin Donuts, and McDonalds. The removable silicone ring ensures a snug fit for larger sizes (30-32 oz), making it a versatile choice for any iced beverage. Advanced Double-Wall Insulation: Engineered with vacuum-sealed double-wall stainless steel to keep drinks 20X colder than neoprene sleeves. Every sip stays icy and refreshing, just like the first, even during extended use. Sweat-Proof & Drip-Free: Unlike traditional neoprene sleeves, this stainless steel design prevents condensation, keeping hands dry and surfaces clean. No more wet hands or messy table rings—just effortless enjoyment. Multi-Functional Tumbler: Crafted from kitchen-grade 18/8 stainless steel with a leak-proof lid, it doubles as a 32 oz travel tumbler. Fits most car cup holders and maintains temperature for 6+ hours (hot) or 12+ hours (cold). Sustainable & Cost-Effective: Replace disposable sleeves with this eco-friendly, reusable alternative. Backed by a lifetime warranty against defects, it saves money while reducing waste.