Capacity: 1,000ml (1 Liter).
Material: Typically made from high-grade 316 or 304 stainless steel for durability and rust resistance.
Design: Includes a screw-on lid that can often double as a cup and a built-in carry strap for portability.
Performance: Can keep drinks hot for up to 12 hours and cold for up to 18–24 hours.