This set includes an M5 size clear binder, 10 double-sided pocket refills, 10 clear sticker sheets, and 2 zip pockets. The binder is 2 centimeters thick, with an inner ring diameter of 1.5 centimeters, making it a bit small. The material is thick and sturdy. The cover has a pocket for cards, photos, etc. There is a hole on the spine for attaching charms, etc.