These card storage pages are made from non-PVC, acid-free polypropylene film for clear, safe protection of trading cards, including baseball, Pokémon, and Yu-Gi-Oh cards. Each page has nine pockets sized for standard 2.5" x 3.5" cards, allowing for easy organization. The 3-hole punch design fits most standard binders, making them compatible with baseball, Pokémon, and trading card binders. Sold in packs of 25, the pages come in minimal, eco-friendly packaging. Manufactured in California, USA, they feature a strong seal and lay-flat design for improved usability with sports cards and collectible card sets.