32oz Durable, reusable tumbler with advanced temperature retention Threaded leakproof lid Dual-threaded lid and handle design supports both left- and right-handed drinking. Includes a gasketed, leak-resistant straw for effortless, comfortable sipping; straw separates into two pieces for easy cleaning & storing Double-wall, vacuum-insulated design with a copper lining enhances temperature retention. Dishwasher Safe Provides up to: 48 hours of cold retention & 8 hours of hot retention