[UPGRADED UNIVERSAL DESIGN - The LATEST 3-in-1 versatility design works with all small (16-20 oz) medium (22-28 oz) large (30-32 oz) coffee cups for popular coffee brands such as Starbucks Dunkin Donuts Dutch Bros McDonalds etc. NOTE: The silicone ring needs to be removed to accommodate the large size (30-32 oz). DOUBLE-WALL VACUUM INSULATION - Our colsters are insulated with a double-wall vacuum so your coffee stay really really cold. 20X colder than neoprene coffee sleeves you will surprise your coffee has the same Icy and refreshing in every sip as the first. SWEAT-PROOF - Compared to traditional neoprene iced coffee sleeve our stainless steel sleeve is more effective in keeping your hands warm and dry. Enjoy your iced drink without desk puddles table rings or wet slippery hands. Niceyos is here to make it easy! USE AS TUMBLER - Built from kitchen-grade 18/8 stainless steel and comes with a leak-proof lid also doubles as a 32 oz travel tumbler and fits most car cup holders. Double-walled vacuum technology can keep your on-the-go beverages hot for 6+ hours or cold for 12+ hours. Budget-Friendly & Eco-Friendly - Our iced coffee sleeves replace throw-away paper cup sleeves or napkins. Save money by re-using your sleeve over and over. Niceyos iced coffee sleeves come with a limited lifetime warranty against manufacturing defects.]