@Bradley0316: I have had a look into this for you, and we don't appear to have any stock for the Galaxy S21 screen protector on our website. For added protection you may wish to consider our official range of cases and covers by checking out the link below or, alternatively, please explore reputable third party options.
I'm sorry that I couldn't be of more help, and hope that you're able to find what you're looking for.
Can you check to see if the phone has an actual plastic screen protector already on it as some Samsung phones are shipped with one already fitted @Bradley0316
Run your nail along the top or bottom for a tell tale ridge.
It'll pull off quite easily.
Then either order one from Samsung or a 3rd party one from Amazon or ebay.
I personally prefer the Whitestone Dome Glass Screen Protector.
I wish you all the best. 
