Welcome to the Official Cardboard Gold® Online Store. We make the most popular trading card holder in the world: The Card Saver® trading card holder! Cardboard Gold is also home to the #1 brand of Top-Loaders and Soft Card Sleeves. Cardboard Gold has been around for more than 39 years. No other brand is more trusted or recognized in the trading card industry! Welcome to Cardboard Gold, Established in 1985!