How to choose a coin collection holder?

Hello there, I'm curious about how one should go about selecting a coin collection holder. As a cryptocurrency enthusiast, I'm aware of the importance of securely storing my digital assets, but I'm not entirely sure what factors to consider when choosing a holder. What are some key things I should look for in a good coin collection holder? Is there a specific type that's more popular or recommended among experts in the field? Additionally, how do I ensure that my coins are safely and securely stored in the holder I choose? Thank you in advance for your insights.