Double wall vacuum insulated: This 30oz coffee tumbler is double wall insulated to keep hot drinks hot for 12 hours and cold drinks cold for 24 hours.
Rust-proof and leak-proof
Material: High-quality food grade 18/8 stainless steel, scratching resistance, 100% BPA Free for heath-safety.
Durable and strong: this water tumbler with clear lid is made of double wall stainless steel structure, which is strong and durable.
Clear Tritan Lid
Sweat-free: this reusable bottle never sweats when filled with icy water and won’t burn your hands when filled with hot water
Capacity: 900ml/30 ounces, 600ml /20 oz or customized