Groove of 35PT≈0.9mm，card protector outer size:73mm 110mm 4.4mm. groove of 180PT≈4.6mm，card protector outer size:73mm 110mm 8.2mm. Magnetic Open and Close: The cases are sturdier then sleeves, penny sleeves, as it features a magnetic open and close design with a hard Acrylic casing to keep the cards safe.
