Capsules For Large Medals (Som)

I recently purchased some large medals from the Society of Medalists series, which are on their way. I know many collectors often leave the medals loose in their boxes, but as someone who is primarily a coin and banknote collector, that idea is somewhat foreign to me. (Regardless of the storage method, rest assured I will keep all boxes and pamphlets.)

I'd prefer to store my medals in capsules, if I can find the right sizes. For average SOM medals, I'm looking at these Lighthouse Caps XL capsules on ebay. For medals with deeper relief, I'm looking at the larger version on Amazon.

Anyone have any experience with these capsules or other recommendations for storing large medals?