Specification: Double-wall vacuum: The double wall vacuum insulated tumbler can keep drinks stay hot up to 6 hours and cold up to 24 hours Sturdy and Saf e Material: 304 18/8 stainless steel vacuum tumbler, grip- friendly design to keep hydrated wherever life takes you Transparent Lid- Weather-proof clear lid: The lid with ring gasket tightly covers the 30 oz stainless steel tumbler that prevents water from overflowing Fits Most Cup Holders: The bottom of the travel mug is conveniently sized to fit car cup holders for easy portability. Fill with coffee, sweet tea, ice water, milkshakes, lemonad e and more Package Included: 1 pack 30oz tumbler ,1 pack tumbler lid,1 packs stainless steel straws