Guardhouse "Perfect Fit" sleeves are designed to form fit to your trading card and act as a first layer of defense against dust and damage. For two layers of protection against rough handling and the elements, first inserting your card into the perfect fit sleeve, then slide the sleeved card into a standard gaming sleeve. Perfect fit sleeves are compatible with Guardhouse gaming card sleeves, magnetic card holders, screw down card holders and much more. These sleeves are made from high-quality polypropylene that provides durability and clarity, making them ideal for long-term storage and display of valuable trading cards.