Card Saver 1's are your best option for graded card submissions. They are the only card holder that is recommended by PSA and BGS by name. These are semi-rigid card holders that fit all standard sized trading cards and some over-sized cards. Card Saver 1's are sealed 50ct packages/200ct red boxes. They are archival safe and have been made exclusively by Cardboard Gold for over 25 years.
VSI Flexi Cards (50 Count Pack) - Vanity Slabs Inc
Card Saver 1 by Cardboard Gold - PSA Recommended Trading Card Holder for Baseball, and More - Semi-Rigid, Archival Safe, 50ct Pack - Fits Standard & Oversized Cards : Toys & Games
Sport Accessories
Card Saver Semi Rigid Card Holder for Graded Card SubmittionsTrading Card Protector Fit for Standard Baseball Cards Toploaders
VSI Flexi Cards (50 Count Pack) - Vanity Slabs Inc
Card Saver 1 - Semi Rigid Card Holder for Graded Card Submittions - 50ct Pack (1)
TOP-LOADER 3X4 FOR STANDARD SIZE TRADING, SPORTS, AND GAMING CARDS (25
How to store sealed blister booster packs : r/PokemonTCG
Ultra Pro Playmat Pokemon Gallery Series Enchanted Glade
BCW Semi Rigid Card Holder #1 (Grading Submissions) 200ct Box - The Baseball Card King, Inc.
50 Ct Card Saver I CS 1 Cardboard Gold PSA Graded Semi Rigid Holders Brand New 98781072118
Sports Card Collector
Optimal Protection - Card Saver 1 semi-rigid card holders provide the ultimate protection for your valuable trading cards, ensuring they stay in
Card Saver 1 - Semi Rigid Card Holder for PSA/BGS Graded Card Submittions - 50ct Pack