Why double sleeve your cards?, Its another layer of protection. We sleeve our cards to keep them in good condition. If you use an inner sleeve, you will minimise any direct contact with the card when Pokemon Deck Sleeves A Guide for New Collectors TCG Protectors Card Sleeves Dragon Shield 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, to Khans of Tarkir Ultra Pro Binder 360 Sorin Mercari Can I use double sleeving to protect my cards in Pokmon tournaments?