Plastic Card Sleeves for Trading Card Toploader Card Protectors. Our Top Loader Card Protectors are crystal clear and designed to hold standard-sized trading cards, measuring 12mil thick and 35pt for robust protection. Made from high impact rigid PVC (PolyVinyl Chloride), these card top loaders are perfect for preventing bending, scratches, and edge wear. For enhanced security, we recommend using inner sleeves for multiple layers of protection. Ideal for collectors and sellers, these protectors ensure your valuable cards stay pristine during handling and shipping.