How to Double Sleeve Pokemon Cards TikTok Take care of your precious cardboard by double sleeving with Perfect Fit inner sleeves. Available in both standard size and Japanese size. Remember to put the inner sleeve on the card upside down, Your Pokmon cards are only worth what condition they're in. Here's how to protect them properly. Most collectors know the basics. But these details make the difference between a PSA How to Double Sleeve Pokemon Cards TikTok