These really keep cold drinks cold! No need for ice. Also very cute and you can fit a straw through the opening if you wish.

have ran them through dishwasher several times. colors stay. they are small enough to fit into cupholder in car. and simply work.

These are beautiful one-of-a-kind tumblers perfect for keeping cold drinks chillin' and hot drinks hot.

These have worked perfectly on our boat this summer to keep drinks cold for hours. Beautiful colors as well.

I love these, they are the perfect size, they actually fit in my car's drink holder. They keep the hot liquids hot for hours. I highly recommend.

Beautiful GrownUp Cold Cup. These fancy sleek cups are great for drinking grownup beverages or just a nice cold drink soda or iced tea

Keeps my coffee HOT for a very long time and cold for quite a while if I don't drink it too fast! Beautiful color! Can be a little slick when wet.

I love that they are easy to hold. Not big and bulky. They fit in my car cupholder. And keep my drinks cold.

The tumblers are exactly as pictured. Colors are vibrant, size is nice and quality is good. We especially liked the black set.

Beautiful and very useful. We got the set with four different colors, so no arguing over whose glass is whose.