Monster Binder - 4 Pocket Matte Black Monster Protectors - 160+ card carrying capacity side loading pockets with built in AntiTheft system. Cushioned pages for added protection. Pages are actually sewn in for added durability. Custom binding expands as you put more cards into it. Monster Protectors binders, albums, and portfolios are the most in-demand binders on the TCG market. There is no other product that matches the level of storage space and durability.