New, Unused, Unopened familiar Hydro Flask Stainless Steel Bottle 200ml Blue The double-walled stainless steel construction creates a vacuum-insulated structure, allowing for 24-hour cold retention and 6-hour heat retention, making it perfect for carrying around when you go out. Made of durable and rust-resistant stainless steel, it keeps your drinks delicious. It will be wrapped to prevent it from getting wet and shipped via anonymous delivery. 〈Size〉 ・Opening diameter: Approximately 3.3cm ・Height (with lid): Approximately 13.5cm ・Capacity: Approximately 200ml ・Weight: Approximately 157g