The S21 Ultra is one of the most powerful phones in the world. It is the first to work with the S Pen, which has traditionally been reserved for the Note line. You need to protect your investment with a sturdy case that adds grip and style. If you want to show off the Ultra's design, we recommend a clear case or a tank-like enclosure.

The best Galaxy S21 Ultra cases

What makes the best cases for the Galaxy 21 Ultra?

There are a lot of factors to consider when choosing a case. It's important that the phone is durable and has a good grip as large and heavy as the S21 Ultra. Heavy-duty cases for the S21 Ultra are bound to draw a lot of attention for their higher drop-testing and extra features such as the kickstand, which is durable and dependable while injecting some color. If you want protection without a bulky case, check out the Caseology Nano Pop, which builds air cushions into both the bumper and the back cover while also offering up dynamic two-tone colors and a slim profile.

The Anccer Ultra Thin and the ESR Clear Case both offer increased grip and scratch protection, if you prefer a thin case. The Spigen Liquid Air P has a slim case option for S-Pen users. The Liquid Air P and S-Pen will save you money if you buy them separately.

If your front glass shatters, all you have left is an expensive paperweight, so don't neglect the screen while you buy your new phone a case. The best screen protectors for the S21 will make sure that your screen is perfect for years to come.