Double your hydration convenience with the Lifelong Double-Walled Vacuum Insulated Tumblers (LLTBRCB1). This heavy-duty Set of 2 features large 1200ml vessels crafted from Durable Steel with Handle. Designed to keep beverages Hot 8 Hrs Cold 12 Hrs, the set comes fully equipped with Unbreakable Tritan Lids, Stainless Steel Straws & a Straw Cleaner, offering a complete, premium refreshment setup.