Designed Specifically for Horizontal Cards: Convenience at Your Fingertips This card holder is specially designed for storing horizontal cards. It accommodates card sizes of 63mm (height) x 88mm (width), perfect for organizing a wide range of collections such as castle cards, dam cards, K-POP cards, artist cards, talent cards, and various trading cards. Unlike typical vertical holders, this holder's dedicated design allows for smooth storage of horizontal cards, making it ideal for on-the-go use. Large Capacity and Smooth Access: It can store up to 240 cards in total. The size is designed to accommodate cards even with sleeves or protective films. The pages are easy to turn, making it comfortable to view and organize your cards. It offers ample storage capacity for collectors of various genres. Hard Cover to Protect Your Cards: The cover features a thick, sturdy hard cover to protect your precious cards from impacts and bending. It uses a hook closure to prevent the contents from scattering when placed in a bag or backpack, making it convenient for carrying around. It is designed to keep your collection in excellent condition while providing secure storage. Easy-to-Carry Size for Events and "Oshikatsu" (Supporting Your Favorite): Its compact external dimensions make it easy to carry, perfect for collection activities on the go. You can organize dam cards and castle cards acquired at tourist spots or K-POP trading cards received at concerts and events on the spot, preventing them from getting dirty or bent. It fits easily in a bag or backpack, making "oshikatsu" and collecting more enjoyable.