Wide Compatibility/b This holder is compatible for many types of cards, which including: Pokémon GX Cards, Pokémon TCG Cards, Pokémon Assorted Cards, Cards Against Humanity, Monopoly Deal Card Game, Dutch Blitz Dutch Blitz, UNO Splash Card Game Joking Hazard, Joking Hazard SKIP BO Card Game, UNO Super Mario Game, Phase 10 Card Game Huge Capacity/b It can easily hold up to 500 cards. Except for holding the pokemon trading cards, you can use this case to organize other little essentials. The heavy duty, ultra sturdy case will securely hold and protect the Pokemon trading cards in place. Sturdy and Durable/b The card case is made of high-quality zipper, hard case with smooth water-resistant EVA exterior and soft interior layer, which can protect your cards from scrape, daily dust, hazards and scratches. With carabiner and wrist strap attached, you can put the cards in anyway you like, hold in your hand or hang it on your backpack for school supply or out for traveling.