There are other tumblers on the market but when you are rated #1 its hard not to let everyone know about it
There's nothing more disappointing than drinking a watered down or luke warm beverage when it should be either cold or hot! This is one of our main reasons for creating the ultimate personal smart cup, the IBEX Tumbler. Simply put, the IBEX is engineered better to keep hot drinks hot and cold drinks cold!
Ibex Tumbler Stainless Steel Hot and Cold Beverage Holder