This is a huge 30 oz stainless steel cup that is double-insulated. As such, it is able to retain the beverage’s temperature (whether hot or cold) throughout the day. In the office, I use it for water. I fill it up with ice to the top and pour in cold water. The water is kept cold throughout my office hours, and the NEXT day, it is still a quarter full of ice. Isn’t that incredible?
This cup is easy to hand wash due to the large rim. For ease of carrying, I purchased a separate tumbler tamer handle which is a perfect fit for this large cup. The included lid is made of hardened plastic and is vacuum sealed (with rubber lid locks). There is a straw hole in one end, and a pin prick hole in the other end. The included lid does not have a sliding seal. The advantage of this is more from a design perspective – the lid is cleaner looking – and from a practical vantage point – a clear and smooth lid is easier to clean and dry. The disadvantage of this is that it isn’t spill proof.
Note however that the base is 75 mm wide, meaning this cup sits sturdily on any surface. So really, there is little risk of spilling, unless it is caused by a carelessness. I did not notice any beading of water on the outside throughout the entire day of using it.
I was able to purchase this cool cup at a discount for review purposes. As a customer, I find it worth the suggested retail value.
Available in Amazon. Look for New Earth Kitchenware 30 oz Cup.