According to the item description, you get “two sets of small, medium or large ear tips. Made by Apple.”
Apple’s website lists sizes of small, medium and large for AirPods Pro Ear Tips and they ship in one business day as of writing.
Currently, some owners of AirPods Pro are dealing with different firmware on each earbud and how active noise cancellation has been reduced.
If you’ve lost ear tips for your AirPods Pro and have been waiting to buy official replacements, you can now do so by clicking here.