All tumblers are great for holding cold / hot liquids for hours. The tumblers does not sweat from the cold and not hot to the touch with hot liquids. Each tumbler comes with a rubber non-slip bottom, metal straw and straw protector.
I am able to personalize each 20oz tumbler to your liking as well.
Simply email us (firstname.lastname@example.org) to let us know how you would like to customize your tumbler.
Please check back often as more tumblers are added.