• 【PERFECT SIZE】This product is an inner sleeve of 2.5 x 3.5 inches (64 x 89 mm) and is compatible with standard cards measuring 2.5 x 3.5 inches (63 0.06mm thick and snugly fitted so your cards stay in place and keep them beautifully organized. Recommended for those who are not sure about choosing sleeve cards. Please check the size before purchasing • 【First Layer Protection】It fits perfectly on your cards, making it ideal as a first card sleeve. Can be used with character sleeves and oversleeves to protect multiple card sleeves • (Firm Protection) Treka sleeve made of acid-free PP material, waterproof, dustproof, and abrasion resistant. Great as a card sleeve to protect your precious cards from fading and damage • High Transparency: Uses high transparency PP material to protect the cards without damaging the original beauty. Perfect sleeve for collection or play. Recommended for those looking for card sleeves with excellent transparency • [Aftermarket service] If you have any problems, please feel free to contact us. We will respond within 24 hours