THE LATEST 2-IN-1 VERSATILITY DESIGN - With a tumbler lid and straw, can be used as a 32 oz tumbler with handle. Also doubles as a universal insulated iced coffee sleeve with our silicone ring. Works with all small (16-20 oz), medium (22-28 oz), large (30-32 oz) to go cups for popular coffee brands, such as Starbucks, Dutch Bros, McDonalds, etc. NOTE: The silicone ring needs to be removed to accommodate the large size coffee cup (30 oz & 32 oz). DOUBLE-WALL VACUUM INSULATION - Insulated with a double-wall vacuum, built from kitchen-grade 18/8 stainless steel. Double-walled vacuum technology can keep your on-the-go coffee and beverages hot for 6+ hours or cold for 12+ hours. Comes with a leak-proof lid and staw. PERFECT FOR PEOPLE WHO LOVE COLD DRINKS - Double-wall stainless steel with triple insulated technology keeps your coffee and drinks stay really, really cold. 20X colder than a neoprene coffee sleeve & up to 12 hours even in summer day. You will surprise your coffee has the same Icy and refreshing in every sip as the first. SWEAT-PROOF & EASY TO HOLD - 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. Handle design makes it easier to hold. Fits most car cup holders. PERFECT GIFTS FOR ICE DRINK LOVERS - Perfect as a gift for lovers of iced coffee and cold drinks, keeps coffee cold without diluting flavors quickly with ice cubes. Solid engineering, it can be used for years even even in harsh environments. Come with a limited lifetime warranty against manufacturing defects, Greatyos is a brand you can trust. Insulated Stainless Steel Reusable Iced Coffee Sleeve