[Large Capacity] is very suitable for storing 8.5 x 11 standard letter size pages. It is completely flat when opened, and it is very easy to turn pages.^[High-quality material] PP material, display entrainment protection board is sturdy and durable, PP board surface, smooth corners, thick and flat surface.^[Smooth design] The plastic sheet protection clip is made of thickened transparent material, finely cut, and has a smooth feel. The inner page uses a special indentation design, and it lays flat when opened to avoid annoying adhesion.^[Easy to use] Use the top of the sleeved display clip to put in or take out the paper, the paper is not easy to fall off. The inner bag is transparent and clear, comfortable to touch, and the upper opening design is convenient to open and easy to install.^[Portable] It is portable and easy to use. You can take it with you on business trips, meetings, business trips, etc.