20 oz. Stainless Steel Tumblers keep drinks warm for 3 hours and cold for 9 hours! These quality built tumblers make perfect gift options to your family and friends. Give them a gift they will appreciate and can use for years to come. The double wall construction keeps drinks insulated and at the temperature you desire. Holiday is coming! Choose a gift for your someone special to convey your love ! This best family/friends ever travel tumbler is an ideal choice. When your family use the travel tumbler they will always feel your love and show a happy laugh. Hurry up join in the joy of drinking with your family/friends ! Dad/Husband/Grandpa/Boyfriend/Mom/Wife/Grandma/Girlfriend/Friends Gifts Travel Tumbler Highlights: Good seal: The lid with rubber gasket make you easy to carry. Safe silicone straw tip: Effectively prevent hot drink from scalding the mouth. 18/8 food grade stainless steel material: not leave a bad metallic taste in your mouth. BPA free lid: No harmful substances no need to worry about being harmful to the body. Sweat-proof: High quality material keep travel tumbler surface dry and increase hand comfort. Not easily deformed: Strong 304 stainless steel material ensures long using life of travel tumbler. Tumbler Specification: Material: 18/8 304 stainless steel Color: White Size: 20 oz Warm Notice: Not microwavable. Recommended to hand wash with cup brush and straw brush. When the travel tumbler is filled with hot liquid please keep children away from the tumbler.