These Card Concept soft card sleeves, also known as penny sleeves, are archival-grade, acid-free and non-PVC clear polypropylene to ensure your cards are protected over time. They're very similar to Ultra PRO Penny Sleeves in terms of materials and quality. They're designed to hold standard 67mm x 92mm (2-1/2" X 3-1/2") cards for example,
![Single Card Holder Soft Sleeves [100]](https://cdn.shopify.com/s/files/1/0990/4717/8614/files/SINGLECARDSLEEVE2-550x550h.jpg?v=1778188953&width=256)
