Both sides are transparent design to fit the card perfectly before your second layer of card sleeves. Ideal for card protection. You can use it as the strongest card protection sleeve for your first layer of sleeves. 

Perfect Fit Standard Size Side In (100pcs)
A new type of "perfect size" that is transparent and allows cards to be inserted from the side and fits perfectly.

When used with the double version, super series, hyper matte series, and silky series, it has excellent air release and is extremely easy to use.

Size: 64 x 89 mm
Thickness: 0.05 mm
Number of sheets: 100